HESI A&P Flashcards
SUPERIOR
ABOVE
ANTERIOR
FACING FOWARD
POSTERIOR
TOWARD THE BACK
MEDIAL
TOWARD THE MIDLINE
LATERAL
AWAY FROM THE MIDLINE
PROXIMAL
CLOSER TO THE POINT OF ATTACHMENT
DISTAL
FURTHER AWAY FROM THE POINT OF ATTACHMENT
DORSAL CAVITY INCLUDES
CRANIAL AND SPINAL CAVITIES
VENTRAL CAVITY INCLUDES
ORBITS AND THE NASAL, ORAL, THORACIC, AND ABDOMINOPELVIC CAVITITES
HISTOLOGY
STUDY OF TISSUES
WHAT ARE THE FOUR FUNDAMENTAL TISSUES?
EPITHELEAL, CONNECTIVE, MUSCULAR, NERVOUS
WHAT IS THE FUNCTION OF EPITHELIAL CELLS?
COVER, LINE, AND PROTECT
WHAT IS THE FUNCTION OF CONNECTIVE TISSUE?
SUPPORT AND STRUCTURE FOR THE ORGANS
NERVE TISSUE IS COMPOSED OF
NEURONS AND NEUROGLIA
MUSCLE TISSUES HAVE THE ABILITY TO
CONTRACT OR SHORTEN
MUSCLE TISSUE IS CLASSIFIED AS
VOLUNTARY OR INVOLUNTARY
WHAT IS VOLUNTARY MUSCLE?
SKELETAL
WHAT IS INVOLUNTARY MUSCLE?
SMOOTH MUSCLE OR CARDIAC MUSCLE
MITOSIS IS NECESSARY FOR
GROWTH AND REPAIR
WHAT IS MITOSIS?
DNA IS DUPLICATED AND DISTRIBUTED EVENLY TO TWO DAUGHTER CELLS
WHERE DOES MEIOSIS TAKE PLACE?
THE GONADS
WHAT HAPPENS DURING MEIOSIS?
THE CHROMOSOME NUMBER IS REDUCED FROM 26 TO 23 SO WHEN THE EGG AND SPERM UNITE IN FERTILIZATION, THE ZYGOTE WILL HAVE THE CORRECT NUMBER OF CHROMOSOMES
WHAT IS THE LARGEST ORGAN IN THE BODY?
THE SKIN
WHAT ARE THE TWO LAYERS OF THE SKIN?
EPIDERMIS AND DERMIS
WHAT IS THE EPIDERMIS?
OUTER LAYER OF THE SKIN
WHAT IS THE DERMIS?
INNER LAYER OF THE SKIN
WHAT COMPOSES THE EPIDERMIS?
DEAD KERATINIZED EPITHELIAL CELLS
WHAT COMPOSES THE DERMIS?
CONNECTIVE TISSUE WITH BLOOD VESSELS AND NERVE ENDINGS
WHAT DOES THE DERMIS REST ON?
SUBCUTANEOUS TISSUE THAT CONNECTS THE SKIN TO THE SUPERFICIAL MUSCLES
WHAT ARE THE LAYERS OF THE EPIDERMIS?
STRATUM CORNEUM STRATUM LUCIDUM STRATUM GRANULOSUM STRATUM BASALE STRATUM SPINOSUM
WHAT DOES THE STRATUM BASALE AND SPINOSUM MAKE UP
STRATUM GERMINATIVUM
WHAT IS SIGNIFICANT OF THE STRATUM GERMINATIVUM?
THIS IS WHERE MITOSIS OCCURS
EPIDERMAL CELLS CONTAIN
PROTEIN PIGMENT MELANIN
WHAT IS THE FUNCTION OF MELANIN?
PROTECTS AGAINST RADIATION FROM THE SUN
WHAT ARE THE TWO TYPES OF SWEAT GLANDS?
ECCRINE
APOCRINE
WHAT IS THE FUNCTION OF ECCRINE GLANDS?
RELEASES A WATERY SECRETION THAT REGULATES TEMPERATURE
WHAT ARE APOCRINE CELLS?
PRODUCE A SECRETION THAT CONTAINS BITS OF CYTOPLASM FROM THE CELLS.
WHERE ARE APOCRINE CELLS USUALLY FOUND?
GROIN AND ARMPIT
WHY DO YOU GET BODY ODOR?
APOCRINE SECRETIONS ATTRACT BACTERIA
WHAT ARE SEBACEOUS GLANDS?
SECRETE SEBUM THROUGH HAIR FOLLICLES
WHAT ARE THE FUNCTION OF SEBACEOUS GLANDS?
LUBRICATES THE SKIN AND PREVENTS DRYING
WHAT ARE SKIN AND HAIR COMPOSED OF?
KERATIN
WHAT IS KERATIN
A STRONG PROTEIN
WHAT IS HEMOPOIESIS?
BLOOD CELL PRODUCTION
WHAT DOES A LONG BONE LOOK LIKE?
IRREGULAR EPIPHYSIS AT EACH END COMPOSED OF SPONGY BONE AND A SHAFT COMPOSED OF COMPACT BONE
WHAT FORMS FROM COMPACT BONE?
OSTEOBLASTS
WHAT ARE OSTEOBLASTS THAT ARE DONE DIVIDING?
OSTEOCYTES
WHAT IS THE AXIAL SKELETON?
28 BONES OF THE SKULL, 33 BONES OF THE VERTEBRAL COLUMN, BONES OF THE THORAX, THE STERNUM AND THE 12 RIBS
HOW MANY FACIAL BONES ARE THERE?
14
HOW MANY CRANIAL BONES ARE THERE?
14
WHAT IS THE ONLY MOVEABLE BONE OF THE SKULL
MANDIBLE
WHAT ARE THE THREE OSSICLES OF THE EAR?
MALLEUS, INCUS, STAPES
WHAT ARE THE FOUR REGIONS OF THE SPINE?
CERVICAL THORACIC, LUMBAR AND SACRAL
HOW MANY CERVICAL VERTEBRA ARE THERE?
7
HOW MANY THORACIC VERTEBRAE ARE THERE?
12
HOW MANY LUMBAR VERTEBRAE ARE THERE?
5
HOW MANY SACRAL VERTEBRAE ARE THERE?
5
WHAT IS THE COCCYGEAL VERTEBRAE?
TAILBONE
WHAT IS THE APPENDICULAR SKELETON?
GIRDLES AND THE LIMBS
WHAT ARE THE BONES OF THE ARM?
HUMERUS, RADIUS AND ULNA, THE CARPALS, METACARPALS, AND PHALANGES
WHAT ARE THE CARPALS?
WRIST BONES
WHAT ARE THE METACARPALS
BONES OF THE HAND
WHAT ARE THE PHALANGES
BONES OF THE FINGERS
WHAT IS THE OS COXA?
ILIUM, ISCHIUM, AND PUBIS
WHAT ARE THE BONES OF THE LOWER EXTREMITIES?
FEMUR, TIBIA AND FIBULA, TARSALS, METATARSALS AND PHALANGES
WHAT ARE THE TARSALS?
BONES OF THE ANKLE
WHAT ARE THE METATARSALS?
BONES OF THE FOOT
WHAT DOES MUSCLE CONTRACTION RESULT FROM?
SLIDING TOGETHER OF ACTIN AND MYOSIN FILAMENTS WITHIN THE MUSCLE CELL OR FIBER
WHAT DOES A MUSCLE CELL CONSIST OF?
MYOFIBRILS
WHAT ARE MYOFIBRILS MADE OF?
SACROMERES
WHAT MUST BE PRESENT FOR A MUSCLE CELL TO CONTRACT?
CALCIUM AND ATP
WHAT IS THE METABOLIC PATHWAY FOR MUSCLE CONTRACTION?
NERVOUS STIMULATION CAUSES RELASE OF CALCIUM IONS FROM THE SARCOPLASMIC RETICULUM. CALCIUM IONS ATTACH TO INHIBITORY PROTEINS ON THE ACTIN FILAMENTS MOVING THEM ASIDE SO THAT CROSS-BRIDGES CAN FORM BETWEEN ACTIN AND MYOSIN FILAMENTS. USING ATP, THE FILAMENTS SLIDE TOGETHER AND PRODUCE CONTRACTION
SKELETAL MUSCLES ARE CONSIDERED
VOLUNTARY
HOW DO SKELETAL MUSCLES WORK IN PAIRS?
PRIME MOVERS AND ANTAGONISTS
WHAT ARE PRIME MOVERS?
THE MUSCLE THAT EXECUTES A GIVEN MOVEMENT
WHAT IS AN ANTAGONIST?
THE MUSCLE THAT PRODUCES THE OPPOSITE MOVEMENT.
WHAT ARE SYNERGISTS?
MUSCLES THAT WORK WITH THE PRIME MOVER
WHAT ARE FLEXORS?
REDUCE THE ANGLE AT THE JOINT
WHAT ARE EXTENSORS?
INCREASE THE ANGLE AT THE JOINT
WHAT ARE ABDUCTORS?
DRAW A LIMB AWAY FROM THE MIDLINE
WHAT ARE ADDUCTORS?
RETURN A LIMB BACK TO THE BODY
WHAT MAKES UP THE NERVOUS SYSTEM
BRAIN, SPINAL CORD, NERVES
ALL ACTIONS OF THE NERVOUS SYSTEM DEPEND ON
TRANSMISSION OF NERVE IMPULSES OVER NEURONS
WHAT ARE NEURONS?
THE FUNCTIONAL UNIT OF THE NERVOUS SYSTEM
WHAT ARE THE MAIN PARTS OF A NEURON?
CELL BODY, AXON AND DENDRITES
WHAT IS THE FUNCTION OF A DENDRITE?
TRANSMIT THE IMPULSE TOWARD THE CELL BODY
WHAT IS THE FUNCTION OF AN AXON?
TRANSMIT IMPULSES AWAY FROM THE CELL BODY
THE NERVOUS SYSTEM IS DIVIDED INTO
CENTRAL NERVOUS SYSTEM AND PERIPHERAL NERVOUS SYSTEM
WHAT DOES THE PNS CONSIST OF?
NERVES THAT TRANSMIT THE INFORMATION TO AND FROM THE CNS
WHAT ARE AFFERENT NEURONS?
TRANSMIT NERVE IMPULSES TOWARD THE CNS
WHAT ARE EFFERENT NEURONS?
TRANSMIT NERVE IMPULSES AWAY FROM THE CNS TOWARD THE ORGANS
WHAT ARE THE MAJOR PARTS OF THE BRAIN?
CEREBRUM, CEREBELLUM AND MEDULLA OBLONGATA
WHAT IS THE CEREBRUM?
MOVEMENT AND SENSORY INPUT
WHAT IS THE CEREBELLUM?
MUSCULAR COORDINATION
WHAT IS THE MEDULLA?
CONTROLS VITAL FUNCTIONS SUCH AS RESPIRATORY AND HEART RATE
HOW LONG IS THE SPINAL CORD?
18 INCHES FROM SKULL TO FIRST OR SECOND LUMBAR VERTEBRAE
WHAT IS THE BONE THAT CONNECTS THE SPINAL CORD TO THE SKULL CALLED?
FORAMEN MAGNUM
WHAT EXITS THE SPINAL CORD?
31 PAIRS OF SPINAL NERVES
WHAT ARE SIMPLE REFLEXES?
NERVE IMPULSES TRAVEL THROUGH THE SPINAL CORD AND DON’T REACH THE BRAIN
THE ENDOCRINE AND NERVOUS SYSTEM ARE IMPORTANT IN
GROWTH AND SEXUAL MATURATION
WHERE DO THE ENDOCRINE AND NERVOUS SYSTEMS MEET?
HYPOTHALAMUS AND PITUITARY GLAND
WHAT CONTROLS THE PITUITARY?
HYPOTHALAMUS
WHAT CONTROLS THE HYPOTHALAMUS?
HORMONES IN THE BLOOD
WHAT ARE THE TWO GROUPS OF HORMONES?
STEROIDS AND NONSTEROIDS
WHAT HAPPENS WHEN STEROID HORMONES ENTER THE TARGET CELL?
THEY HAVE A DIRECT AFFECT ON THE DNA OF THE NUCLEUS
WHAT IS THE FUNCTION OF NONSTEROID CELLS?
THEY REMAIN AT THE CELL SURFACE AND ACT THROUGH AMP
HOW DO HORMONES AFFECT CELL ACTIVITY?
ALTERING THE RATE OF PROTEIN SYNTHESIS
WHAT ATTACHES THE PITUITARY TO THE HYPIOTHALAMUS?
INFUNDIBULUM
WHAT ARE THE TWO MAJOR PORTIONS OF THE PITUITARY?
ANTERIOR LOBE AND POSTERIOR LOBE
WHAT IS THE ANTERIOR LOBE?
ADENOHYPOPHYSIS
WHAT IS THE POSTERIOR LOBE?
NEUROHYPOPHYSIS
HORMONES OF THE ADENOHYPOPHYSIS ARE CALLED
TROPIC HORMONES BECAUSE THEY ACT MAINLY ON ENDOCRINE GLANDS
WHAT ARE SOME EXAMPLES OF ADENOSYPOPHYSIS HORMONES?
STH GH ACTH TSH FSH LH
WHAT ARE SOME EXAMPLES OF NEUROHYPOPHYSIS HORMONES?
OXYTOCIN
ADH
WHAT DOES WHOLE BLOOD CONSIST OF
55% PLASMA 45% FORMED ELEMENTS
WHAT ARE FORMED ELEMENTS?
ERYTHROCYTES
LEUKOCYTES
RETICULOCYTES
WHAT ARE ERYTHROCYTES?
RBCS
WHAT ARE LEUKOCYTES
WBCS
WHAT ARE RETICULOCYTES?
PLATELETS
WHERE DO FORMED ELEMENTS COME FROM?
STEM CELLS IN RED BONE MARROW
WHAT IS THE FUNCTION OF ERYTHROCYTES?
TRANSPORT OXYGEN
HOW IS OXYGEN TRANSPORTED?
MOST IS BOUND TO HEMOGLOBIN
WHAT IS THE FUNCTION OF NEUTROPHILS AND MONOCYTES
PHAGOCYTOSIS
WHAT IS THE FUNCTION OF LYMPHOCYTES?
ANTIBODY FORMATION
WHAT IS THE FUNCTION OF RETICULOCYTES?
BLOOD CLOTTING
WHAT IS THE FUNCTION OF BLOOD?
TRANSPORT OXYGEN AND NUTRIENTS AND CARRY AWAY CARBON DIOXIDE AND WASTES
WHAT IS PLASMA?
10% PROTEINS, IONS, NUTRIENTS, WASTES AND HORMONES DILUTED IN WATER
THE HEART SENDS BLOOD TO THE LUNGS FOR OXYGENATION THROUGH THE
PULMONARY CIRCUIT
THE HEART SENDS BLOOD TO THE REST OF THE BODY THROUGH
SYSTEMIC CIRCUIT
BLOOD IS RECEIVED THROUGH THE
ATRIA
BLOOD IN THE ATRIA IS PUMPED INTO CIRCULATION BY THE
VENTRICLES
WHAT ARE THE VALVES BETWEEN THE ATRIA AND VENTRICLES?
TRICUSPID (RIGHT)
BICUSPID (LEFT)
WHERE ARE SEMILUNAR VALVES FOUND?
ENTRANCES OF THE PULMONARY TRUNK AND THE AORTA
WHAT IS THE MYOCARDIUM
HEART MUSCLE
BLOOD IS SUPPLIED TO THE MYOCARDIUM BY THE
CORONARY ARTERIES
BLOOD DRAINS FROM THE MYOCARDIUM DIRECTLY INTO THE
RIGHT ATRIUM THROUGH THE CORONARY SINUS
WHAT INITIATES THE INSTRINSIC BEAT OF THE HEART?
SINOATRIAL NODE
WHAT IS MEASURED ON AN EKG?
THE INTRINSIC BEAT OF THE HEART THROUGH THE MYOCARDIUM
WHAT IS THE CARDIAC CYCLE?
THE END OF ONE VENTRICULAR CONTRACTION TO THE END OF ANOTHER VENTRICULAR CONTRACTION
THE CONTRACTION PHASE IS CALLED
SYSTOLE
THE RELAXATION PHASE IS CALLED
DYSOLE
WHAT IS THE FUNCTION OF AN ARTERY?
TO CARRY BLOOD AWAY FROM THE HEART
WHAT IS THE FUNCTION OF VEINS?
TO CARRY BLOOD TO THE HEART
WHAT ARE CAPILLARIES?
SMALLEST BLOOD VESSELS WHERE EXCHANGE OCCURS
WHAT ARE ARTERIOLES?
SMALLEST ARTERIES
WHAT ARE THE SUPERIOR AND INFERIOR VENA CAVA?
THE LARGE VEINS THAT EMPTY INTO THE HEART
ARTERIES CARRY BLOOD IN
HIGH PRESSURE
VEINS CARRY BLOOD IN
LOW PRESSURE
WHAT AFFECTS BLOOD PRESSURE?
VASOCONSTRICTION AND VASODILATION IN ARTERY WALLS
WHAT ARE THE COMPONENTS OF THE RESPIRATORY SYSTEM?
NOSE, PHARYNX, LARYNX, TRACHEA, BRONCHI, LUNGS
WHAT CONTROLS RESPIRATION?
RESPIRATORY CONTROL CENTER IN THE MEDULLA
WHAT IS THE FUNCTION OF THE RESPIRATORY SYSTEM?
SUPPLIES OXYGEN TO THE BODY AND ELIMINATES CO2
WHAT IS EXTERNAL RESPIRATION?
EXCHANGE OF GASES BETWEEN THE ATMOSPHERE AND THE BLOOD THROUGH THE ALVEOLI
WHAT IS INTERNAL RESPIRATION?
EXCHANGE OF GASES BETWEEN THE BLOOD AND THE BODY CELLS
WHAT ARE CILIA?
FOUND IN THE UPPER RESP TUBULE, THEY TRAP DEBRIS AND KEEP THEM FROM PASSING INTO THE LUNGS
WHAT IS INHALATION?
CONTRACTION OF THE DIAPHRAGM TO ENLARGE THE THORACIC CAVITY AND DRAW AIR INTO THE LUNGS
WHAT IS EXHALATION?
LUNGS RECOIL AS RESP MUSCLES RELAX AND THE THORAX DECREASES IN SIZE.
MOST OF THE OXYGEN CARRIED IN BLOOD IS
BOUND TO HEMOGLOBIN IN RBCs.
WHY DOES OXYGEN RELEASE FROM HEMOGLOBIN?
WHEN CONCENTRATION OF OXYGEN DROPS IN THE TISSUES
MOST CO2 IS
CONVERTED TO BICARBONATE ION BY CARBONIC ANHYDRASE WITHIN RBCs.
BECAUSE THE CONVERSION OF CO2 ALSO RELEASES HYDROGEN IONS,
CO2 IS A REGULATOR OF BLOOD pH
WHAT IS THE ALIMENTARY CANAL?
DIGESTIVE TUBE
WHAT STARTS THE DIGESTIVE SYSTEM?
FOOD IS INGESTED AND MASTICATION OCCURS
SALIVA CONTAINS THE ENZYME
AMYLASE
WHAT IS THE FUNCTION OF AMYLASE?
DIGESTS COMPLEX CARBOHYDRATES
AFTER MASTICATION A BALL OF FOOD IS CALLED
BOLUS
MUSCLES OF THE PHARYNX FORCE THE FOOD TO
THE ESOPHAGUS AND FOOD IS SWALLOWED
WHAT ARE THE LAYERS OF THE DIGESTIVE TRACT?
INNER TO OUTER: MUCOUS MEMBRANE SUBMUCOUS MEMBRANE MUSCULAR LAYER SEROUS LAYER
WHEN FOOD ENTERS THE STOMACH WHAT IS SECRETED
HYDROCHLORIC ACID
THE STOMACH MUSCLE CHURNS THE BOLUS AND BECOMES
CHYME (LIQUID)
WHAT OCCURS IN THE SMALL INTESTINE?
DIGESTION AND ABSORPTION
IN THE SMALL INTESTINE FOOD IS AFFECTED BY
ENZYMES FROM THE SI AND PANCREAS AND BILE FROM THE LIVER
WHAT DOES THE PANCREAS CONTRIBUTE TO THE CHYME?
WATER AND BICARBONATE IONS TO NEUTRALIZE THE ACID FROM THE STOMACH
WHAT ARE THE THREE AREAS OF THE SMALL INTESTINE?
DUODENUM JEJUNUM AND THE ILIEUM
WHERE DOES ABSORPTION TAKE PLACE?
SMALL INTESTINE
WHERE DO FATS GO?
ABSORBED INTO THE LYMPH BY THE LACTEALS
FROM THE SMALL INTESTINE, ALL NUTRIENTS ENTER
THE HEPATIC PORTAL VEIN
FROM THE HEPATIC PORTAL VEIN, NUTRIENTS ARE MOVED TO
THE LIVER FOR DECONTAMINATION
WHAT ARE VILLI?
FINGERLIKE PROJECTIONS THAT INCREASE SURFAC AREA OF THE INTESTINE
WHAT IS THE FUNCTION OF THE LARGE INTESTINE?
REABSORBS WATER AND STORES AND ELIMINATES UNDIGESTED FOOD.
WHAT ARE THE INTESTINAL FLORA?
BACTERIA FROM THE LARGE INTESTINE
WHAT ARE THE FIVE PORTIONS OF THE LARGE INTESTINE?
ASCENDING COLON TRANSVERSE COLON DESCENDING COLON SIGMOID COLON RECTUM
WHAT IS THE ANUS
OPENING FOR DEFECATION
WHAT ARE THE ORGANS OF THE URINARY SYSTEM?
KIDNEYS, URETERS, URINARY BLADDER, URETHRA
WHAT IS THE FUNCTION OF THE KIDNEYS?
FILTER BLOOD
WHAT IS THE FUNCTION OF THE URETERS?
TRANSPORT URINE TO THE URINARY BLADDER
WHAT IS THE FUNCTION OF THE URINARY BLADDER?
STORE URINE
WHAT IS THE FUNCTION OF THE URETHRA?
URINATION
WHAT ARE THE FUNCTIONAL UNITS OF THE KIDNEYS CALLED?
NEPHRONS
WHAT IS THE FUNCTION OF NEPHRONS?
FILTER WASTE OUT OF THE BLOOD BROUGHT TO THE KIDNEY BY THE RENAL ARTERY
WHERE DOES THE FILTRATION PROCESS OCCUR?
GLOMERULUS IN BOWMANS CAPSULE
WHAT ARE THE SEX ORGANS?
TESTES AND OVARIES
WHAT ARE THE FUNCTIONS OF THE SEX ORGANS?
PRODUCTION OF GAMETES AND PRODUCTION OF HORMONES
WHAT CONTROLS THE SEX ORGANS?
TROPIC HORMONES OF THE PITUITARY
GAMETES ARE FORMED BY
MEIOSIS
WHERE DO SPERMATOZOA DEVELOP?
SEMINIFEROUS TUBULES OF EACH TESTES
WHAT PRODUCES TESTOSTERONE?
INTERSTITIAL CELLS BETWEEN THE SEMINIFEROUS TUBULES
WHAT IS THE FUNCTION OF TESTOSTERONE?
SPERM CELL DEVELOPMENT AND SEX CHARACTERISTICS
ONCE PRODUCED, SPERM ARE STORED IN
THE EPIDIDYMIS OF EACH TESTES
WHAT IS THE PATHWAY FOR EJACULATION
VAS DEFERENS, EJACULATORY DUCT, URETHRA
THE GLANDS THAT PRODUCE SEMEN ARE
SEMINAL VESICLES, PROSTATE GLANDS, BULBOURETHRAL GLANDS
WHAT CONTROLS TESTICULAR ACTIVITY
ANTERIOR PITUITARY GLANDS
WHAT IS THE FUNCTION OF FSH
REGULATES SPERM PRODUCTION
WHAT IS THE FUNCTION OF LH?
STIMULATES INTERSTITIAL CELLS TO PRODUCE TESTOSTERONE
WHAT RIPENS EGGS IN OVARIAN FOLLICLES OF THE OVARY?
FSH
WHAT IS THE FUNCTION OF ESTROGEN
INITIATES PREPARATION FOR PREGNANCY
WHAT HAPPENS AT DAY 14 OF THE CYCLE?
SURGE OF LH IS RELEASED FROM THE PITUITARY WHICH STIMULATES OVULATION AND CONVERSION OF THE FOLLICLE TO THE CORPUS LUTEUM
THE CORPUS LUTEUM SECRETES
PROGESTERONE AND ESTROGEN
IF FERTILIZATION OCCURS,
CORPUS LUTEUM REMAINS FUNCTIONAL
IF FERTILIZATION DOES NOT OCCUR?
CORPUS LUTEUM DEGENERATES AND MENSTRUATION BEGINS
AFTER OVULATION THE EGG IS MOVED TO
THE FALLOPIAN TUBE
WHERE DOES FERTILIZATION OCCUR
FALLOPIAN TUBE
WHAT HAPPENS AFTER FERTILIZATION
ZYGOTE MOVES TO THE UTERUS AND IMPLANTS ITSELF IN THE ENDOMETRIUM
WHAT IS A ZYGOTE
FERTILIZED EGG
IN THE UTERUS, THE DEVELOPING EMBRYO IS NOURISHED BY THE
PLACENTA
WHAT FORMS THE PLACENTA
MOM AND BABY TISSUES
WHAT IS THE FUNCTION OF THE HORMONES OF THE PLACENTA?
MAINTAIN THE ENDOMETRIUM AND PREPARE THE BREASTS FOR MILK