Chapter 6 Flashcards
Anatomy
the study of body structure
physiology
the study of body function
Thyroid cartilage
the wing-shaped plate of cartilage that sits anterior to the larynx and forms the Adam’s apple
Musculoskeletal system
the system of bones and skeletal muscles that support and protect the body and permit movement
Skeleton
the bones of the body
Muscles
tissues that can contract to allow movement of a body part
Ligaments
tissues that connect bone to bone
tendons
tissues that connect muscle to bone
skull
the bony structure of the head
cranium
the top, back, and sides of the skull
Structures of Musculoskeletal
bones, joints, muscles
Structures of Respiratory
Nasal cavity, pharynx, larynx, trachea, Bronchial tubes, lungs
Structures of cardiovascularlar
heart, arteries, veins
Structures of Blood
plasma, red and white blood cells, platelets
Structures of lymphatic
tonsils/adenoids, thymus gland, spleen, lymph nodes, lymphatic vessels
Structures of nervous
brain, spinal cord, nerves
Structures of digestive
oral cavity, pharynx, esophagus, stomach, small intestine, large intestine, liver, gallbladder, pancreas
Structures of integumentary
skin, hair, nails, sweat glands
Structures of Endocrine
the pituitary gland, pineal gland, thyroid gland, parathyroid glands, thymus gland, adrenal glands, pancreas, testes, ovaries
Structures of Renal/Urinary
kidneys, ureters, urinary bladder, urethra
Structures of male reproductive
testes, epididymis, vas deferens, penis, seminal vesicles, prostate gland
Structures of female reproductive
ovaries, fallopian tubes (oviducts), uterus, vagina, vulva, breasts
mandible
lower jawbone
maxillae
two fused bones forming the upper jaw
nasal bones
the nose bones
orbits
bony structures of the eyes
zygomatic arches
bones that form the structure of the cheeks
vertebrae
the 33 bones of the spinal column
What is the number of vertebrae in the cervical?
7
What is the number of vertebrae in the thoracic?
12
What is the number of vertebrae in the lumbar?
5
What is the number of vertebrae in the sacral?
5
What is the number of vertebrae in the coccyx
4
thorax
the chest
sternum
the breastbone
manubrium
the superior portion of the sternum
xiphoid process
the inferior portion of the sternum
pelvis
the basin-shaped bony structure that supports the spine and is the point of proximal attachment for the lower extremities
ilium
the superior and widest portion of the pelvis
ischium
the lower, posterior portions of the pelvis
pubis
the medial anterior portion of the pelvis
acetabulum
the pelvic socket into which the ball at the proximal end of the femur fits to form the hip joint
femur
the large bone of the thigh
patella
the kneecap
tibia
the medial and larger bone of the lower leg
fibula
the lateral and smaller bone of the lower leg
malleolus
the protrusion on the side of the ankle
lateral malleolus
lower end of the fibula, seen on the outer ankle
medial malleolus
lower end of the tibia, seen on the inner ankle
tarsals
the ankle bones
metatarsals
the foot bones
calcaneus
the heel bone
phalanges
the toes and finger bones
clavicle
the collarbone
scapula
the shoulder blade
acromion process
the highest portion of the shoulder
acromioclavicular
the joint where the acromion and the clavicle meet
humerus
the bone of the upper arm
radius
the lateral bone of the forearm
ulna
the medial bone of the forearm
carpals
the wrist bones
metacarpals
the hand bones
joint
the point where two bones meet
voluntary muscles
muscles that can be consciously controlled
involuntary muscles
muscles that respond automatically to brain signals but cannot be be consciously
cardiac muscle
specialized involuntary muscle found only in the heart
automaticity
the ability of the heat to generate and conduct electrical impulses on its own
respiratory system
the system of the nose, mouth, throat, lungs ans muscles that brings oxygen into the body and expels carbon dioxide. Also called the pulmonary system
oropharynx
the area directly posterior to the mouth
nasopharynx
the area directly posterior to the nose
pharynx
the area directly posterior to the mouth and nose. it is made up of the oropharynx and the nasopharynx.
epiglottis
a leaf-shaped structure that prevents food and foreign matter from entering the trachea.
larynx
the voice box, structure between the pharynx and trachea
cricoid
the ring-shaped structure that forms the lower portion of the larynx
trachea
the “windpipe” is the structure that connects the pharynx to the lungs
lungs
the organs where exchange of atmospheric oxygen and waste carbon dioxide takes place
bronchi
the two large sets of branches that come off the trachea and enter the lungs.
Alveoli
the microscopic sacs of the lungs where gas exchange with the bloodstream takes place
diaphragm
the muscular structure that divides the chest cavity from the abdominal cavity, a major muscle of respiration
inhalation
an active process in which the intercostal muscles and the diaphragm contract, expanding the size of the chest cavity and causing air to flow into the lungs
exhalation
a passive process in which the intercostal muscles and the diaphragm relax, causing the chest cavity to decrease in size and air to flow out of the lungs
ventilation
the process of moving gases between inhaled air and the pulmonary circulation of the blood
Respiration
the process of moving oxygen and carbon dioxide between circulating blood and the cells
Buffer system
a system that helps manage the body’s pH level
cardiovascular
the system that is made up of the heart and the blood vessels; the circulatory system
atria
the two upper chambers of the heart
ventricles
the two lower chambers of the heart
venae cavae
Inferior and superior; two major veins that return blood from the body to the right atrium
Steps of blood flow
- venae cavae 10. Bicuspid/mitral valve
- Right atrium 11. left ventricle
- Tricuspid valve 12. aortic valve
- Right ventricle 13. aorta
- pulmonary valve 14. arteries
- Pulmonary artery 15. arterioles
- alveoli/capillary 16. capillaries
- pulmonary vein 17. venules
- left atrium 18. veins
19. venae cavae
valve
a structure that opens and closes to permit the flow of a fluid in only one direction
cardiac conduction system
a systm of specialized muscle tissues that conducts electrical impulses that stimulate the heart to beat
artery
any blood vessel carrying blood away from the heart
coronary arteries
blood vessels that supply the muscle of the heart
aorta
the largest artery in the body, transports blood from the left ventricle to the rest of the body
pulmonary artery
the vessel that carries deoxygenated blood from the right ventricle of the heart to the head
carotid
the large neck arteries, one on each side of the neck, that carry blood from the heart to the head
femoral artery
the major artery supplying the leg
brachial artery
artery of the upper arm, the site of the pulse checked during infant CPR
radial artery
artery of the lower arm, the artery felt when taking the pulse at the thumb side of the wrist
posterior tibial artery
the artery supplying the foot, behind the medial ankle
dorsalis pedis
the artery supplying the foot, lateral to the large tendon of the big toe
arteriole
the smallest kind of artery
capillaries
thin-walled, microscopic blood vessels where the carbon dioxide/oxygen and nutrient/waste exchange with the body’s cells take place
venule
the smallest kind of vein
vein
any blood vessel returning blood to the heart
pulmonary vein
the vessel that carries oxygenated blood from the lungs back to the left atrium of the heart
plasma
the fluid portion of the blood
red blood cells
components of the blood, they carry oxygen to and carbon dioxide away from the cells.
white blood cells
components of the blood, they produce substances that help the body fight infection.
platelets
components of the blood, membrane-enclosed fragments of specialized cells, blood clotting
pulse
the rhythmic beats caused as waves of blood move through and expand the arteries
peripheral pulses
the radial, brachial, dorsalis pedis, posterior tibial pulses
central pulses
the carotid and femoral pulses
blood pressure
the pressure caused by blood exerting force against the walls of blood vessels
systolic blood pressure
the pressure created in the arteries when the left ventricle contracts and forces blood out into the circulation.
diastolic blood pressure
the pressure in the arteries when the let ventricle is refilling
blood pressure ratio
systolic/diastolic
perfusion
the supply of oxygen and nutrients to and removal of wastes from the cells and tissues of the body as a result of the flow of blood through the capillaries
hypoperfusion
the inability of the body to adequately circulate blood to the body’s cells to supply them with oxygen and nutrients, a life-threatening condition
lymphatic system
the system is composed of organs, tissues, and vessels that help to maintain the fluid balance of the body and contributes to the body’s immune system
nervous system
the system of the brain, spinal cord, and nerves that govern sensation, movement, and thought
central nervous system
the brain and the spinal cord
digestive system
system by which food travels through the body and is digested or broken down into absorbable forms
stomach
muscular sac between the esophagus and the small intestine where digestion of food begins
small intestine
the muscular tube between the stomach and large intestine that receives partially digested food from the stomach and continues digestion, nutrients are absorbed through its walls
What are the three parts of the small intestine ?
duodenum, jejunum, ileum
large intestine
the muscular tube that removes water from waste products received from the small intestine and moves anything not absorbed by the body toward excretion from the body
liver
the largest organ in the body, which produces bile to assist in the breakdown of fats and assists in the metabolism of various substances in the body
gallbladder
a sac on the underside of the liver that stores bile produces by the liver
pancreas
a gland located behind the stomach that produces insulin and juices that assist in the digestion of food in the duodenum of the small intestine.
spleen
an organ located in the left upper quadrant of the abdomen that acts as a blood filtration system and a reservoir for reserves of blood.
appendix
a small tube located near the junctions of the small and large intestines in the right lower quadrant of the abdomen, the function is not well understood
skin
the layer of tissue between the body and the external environment
epidermis
the outer layer of skin
dermis
the inner and second layr of skin, rich in blood vessels and nerves
subcutaneous layer
the layers of fat and soft tissues found below the dermis
endocrine system
system of glands that produce chemicals called hormones that help to regulate body activities and functions
insulin
hormone produces by the pancreas
epinephrine
a hormone produced by the adrenal glands
renal system
the body system that regulates fluid balance and the filtration of blood
kidneys
organs of the renal system used to filter the blood and regulate fluid levels in the body
bladder
the round, saclike organ of the renal system used as a reservoir for urine
ureters
tubes connecting the kidneys to the bladder
urethra
the tube connecting the bladder to the vagina or penis for excretion of urine
reproductive system
the body system that is responsible for human reproduction
testes
the male organs of reproduction used for the production of sperm and hormones
penis
the organ of male reproduction responsible for sexual intercourse and the transfer of sperm
ovaries
eggs and hormones-producing organs within the female reproduction system
uterus
the female organ of reproduction used to house the developing fetus
vagina
the female organ of reproduction used both for sexual intercourse and as an exit from the uterus for the fetus
How many vertebrae are in the cervical?
7
How many vertebrae are in the thoracic?
12
How many vertebrae are in the sacral?
5
How many vertebrae are in the lumbar?
5
How many vertebrae are in the coccyx?
4