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med terminology

anatomy and physiology body systems

skeletal Structure: made up of bones, cartilage, & muscle that is attached to the bone. Joints, where two or more bones meet. Functions: protects, provides form, and structure. Cartilage acts as cushion between bones.
muscular Structure: Makes up 40% of body weight. 3 types of muscle cells 1. skeletal-voluntry 2. smooth- involuntary 3. cardiac-smooth muscle, makes up heart- involuntary Function: responsible for the movement of the body.
nervous Structure: primary control center of the body. peripheral system- nerves connect to a limb or a certain are of the torso which is responsible for communicaton of that part of body. Function: transmits signals between body party. spinal cord- serves as
integumentary Structure: skin = 1st defense in immune system. -skin produces sweat glands/nails Function: skin, har nails, & endocrine glands regulate body temp & detect pain. -serves as a barrier & protects body from environment. -protects from dehydration.
endocrine Structure: glands release hormones into blood stream. -Kidney, liver, heart, & gonads assist glands in secretion of hormones. -Pituitary gland-regulates growth. Function: Regulates metabolism, growth, developement. Regulates sleep, sexual function &
Reproductive Structure: Ovaries & testes =reproductive organs. (ovum) is vertilized by sperm in fallopian tube, fetus developes in uterus. Function: reproduce life. -conception-organisms help reduce sexually.
Digestive 1. mouth-chewing/saliva-mechanical digestion 2. esophagus- swallows 3. small intestine- digestive juice (starches protein, carbs). 4. pancreas- juices 5. liver-bile acids Function: food break down food/converts into energy, used for cell repair.
Circulatory Structure: heart pumps blood. Aorta- exit of oxygen rich blood Arteries/veins- transport, nutrients, oxygen and carbon dioxide. Function: Organs transport blood to body & <3 capilleries gives nutrients & oxygen to cells. Veins cary waiste.
respiratory breathing process 1. nose/mouth 2. trachea- air flows down 3. bronchi- tubes go down to lungs 4. alveoli- air sac, oxygen enters blood stream 5. lungs- carbon dioxide is exhaled. Function: ribs/diaphram help w/ breathing. removes CO2
Excretory -urinary= excretes urine -kidneys- regulate blood pressure; filters -urethra- removes urine - lungs- removes Co2. Function: maintains homeostasis, eliminates waste, and Excessive water.
Immune -lymph nodes-fight infection -spleen= white blood cells = antibodies -Leukocytes, T-cells. Function: Protects body from environment, diseases, chemicals & damaging foreign body.
Created by: sin_760