body systems Flashcards
1
Q
integumentary system
A
- hair, skin, nails
- forms external body covering
- protects deeper tissues from injury
- synthesizes vitamin D and houses receptors and sweat/oil glands
2
Q
skeletal system
A
- joint/bones
- protects and supports body organs
- provides framework muscles use to cause movement
- blood cells formed within bones
- bones store minerals
3
Q
muscular system
A
- skeletal muscles
- allows manipulation on environment, locomotion, facial expression
- maintains posture and produces heat
4
Q
nervous system
A
- brain, nerves, spinal cord
- fast acting control system of body
- responds to internal and external changes by activating appropriate muscles and glands
5
Q
endocrine system
A
- pineal, thyroid, pituitary, adrenal glands
- pancreas, thymus, ovary, testis
- glands secrete hormones that regulate growth, reproduction, and metabolism by body cells
6
Q
cardiovascular system
A
- heart, blood vessels
- blood vessels transport blood
- blood carries oxygen, carbon dioxide, nutrients, wastes, etc
- heart pumps blood
7
Q
lymphatic system
A
- red bone marrow, thymus, lymphatic vessels, thoracic duct, spleen, lymph nodes
- picks up fluid leaked from blood vessels and returns it to blood
- disposes of debris in lymphatic stream
- houses white blood cells involved in immunity
- immune response mounts the attack against foreign substances within the body
8
Q
respiratory system
A
- nasal cavity, pharynx, larynx, trachea, lung, bronchus
- keeps blood constantly supplied with oxygen and removes carbon dioxide
- gaseous exchanges occur through the walls of the air sacs of the lungs
9
Q
digestive system
A
- oral cavity, esophagus, liver, stomach, small intestine, large intestine, rectum, anus
- breaks down food into absorbable units that enter blood for distribution to body cells
- indigestible food eliminated as feces
10
Q
urinary system
A
- kidney, ureter, urinary bladder, urethra
- eliminates nitrogenous wastes from the body
- regulates water, electrolyte, and acid-base balance of the blood
11
Q
reproductive system
A
- male: prostate gland, penis, testis, scrotum, ductus deferens
- female: mammary glands, uterus, ovary, uterine tube, vagina
- overall function to produce offspring
- produces eggs/sperm and sex hormones
