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Chapter 1.3 A&P
Term | Definition |
---|---|
Integumentary system | Forms external body covering; Protects deeper tissues from injury - hair, nails, skin |
skeletal system | -Protects and supports the body, organs - provides a framework for the muscles to use to cause movement - Blood cells are formed within bones. Bones store minerals. -joints and bones |
Muscular System | Allows manipulation of the environment, locomotion and facial expression. Maintains posture, and produces heat. Skeletal Muscles |
Lymphatic System/ Immunity | Picks up fluid leaked from blood vessels & returns it to blood. Disposes of debris in the lymphatic stream. Houses white blood cells.Attacks foreign substances in the body. Red bone marrow, Thymus, Lymphatic vessels, Thoracic duct, Spleen, lymph nodes |
Respiratory system | Keeps blood oxygenated and removes carbon dioxide. Happens in the air sac in the lungs. Nasal Cavity, Pharynx, Larynx, trachea, Lungs, Bronchus |
Digestive System | Breaks down food into absorbable units that enter the blood for distribution to body cells. Indigestible foodstuffs are eliminated as feces. oral cavity, esophagus, liver, stomach, S/L intestine, rectum, anus |
Urinary System | Eliminates nitrogenous wastes from the body. Regulates water, electrolyte, and acid-base balance of the blood. kidney, ureter urinary bladder, urethra |
Nervous System | As the fast-acting control system of the body, it responds to internal and external changes by activating appropriate muscles and glands. brain, spinal cord, nerves |
Endocrine System | Glands secrete hormones that regulate processes such as growth, reproduction, and nutrient use (metabolism) by body cells. pineal, pituitary, thyroid, thymus, adrenal glands, testes, pancreas, ovary |
Cardiovascular System | Blood vessels transport blood, which carries oxygen, carbon dioxide, nutrients, wastes, etc. The heart pumps blood. Heart, blood vessels |
Male Reproductive System | Overall function is production of offspring. Testes produce sperm and male sex hormone, and male ducts and glands aid in delivery of sperm to the female reproductive tract. prostate, penis, testis, ductus deferns, scrotum |
Female Reproductive System | function is production of offspring. Ovaries produce eggs & fem sex hormones. Other structures serve as sites for fertilization & dev of the fetus. Mammary glands of fem breasts produce milk to nourish the newborn. ovary, uterus, vagina, uterine tube |
Survival Needs | nutrients, oxygen, water and appropriate temperature and atmospheric pressure |