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Human Body Sys JMS7
systems that work together to maintain homeostasis in the human body
| Term | Definition |
|---|---|
| circulatory(cardiovascular)system | group of organs that moves blood throughout the body delivering oxygen and nutrients to the cells |
| skeletal system | group of organs that supports the body and works with the muscular system to enable the body to move; blood cells are made in parts of this system |
| muscular system | group of organs that are responsible for both voluntary and involuntary movement |
| system | a group of related parts that work together |
| cardiac muscle | muscle that contracts and relaxes causing the heart to beat |
| homeostasis | a stable or balanced state |
| involuntary | happens automatically, without intention |
| voluntary | happens by choice |
| integumentary system | group of organs that includes skin, hair and nails; regulates body temperature and protects the body from and keeps it in touch with the world outside |
| stimuli | something that causes a response |
| nervous system | group of organs that sends electrical signals throughout the body; brain is the control center |
| reproductive | group of organs that work together to produce new idividuals |
| tissues | groups of cells that work together; epithelial, nervous, muscle, connective tissues |
| joint | place where two are more bones meet |
| aerobic | exercise that increases heart rate and blood flow throughout the body and strengthens the cardiac muscle |
| resistance exercise | exercise that strengthens skeletal muscles |
| epidermis | outermost layer of skin |
| dermis | thicker layer of skin under the epidermis |
| arteries | carry freshly oxygenated blood from the heart |
| blood vessels | artery, capillary, vein |
| capillaries | exchanges nutrients and oxygen for carbon dioxide and other wastes in the blood |
| veins | carry blood back to the heart |
| circulation | blood flow throughout the body |
| blood | connective tissue made of plasma, red blood cells and white blood cells |
| plasma | mixture of water, minerals, sugars, and proteins; red blood cells, white blood cells and platelets are in it |
| blood pressure | force of blood on inside walls of arteries |
| immune system | body's major defense against disease; removes damaged cells from the body. |
| pathogen | virus, bacteria or fungus that causes disease |
| respiratory system | group of organs that take in oxygen and get rid of carbon dioxide; works with cirrculatory system to bring oxygen to the cells |
| respiration | process by which body gets and uses oxygen and releases carbon dioxide and water |
| breathing | process by which the diaphragm muscle pulls air into and pushes air out of your lungs |
| digestive system | organs that work togehter to break down food so it can be used by the body; mouth, esophagus, stomach, liver, small intestines, large intestines, |
| levels of organization | cells-> tissues-> organs-> organ systems-> organism |
| cells | basic unit of life |
| tissue | group of similar cells that perform the same function |
| organ | structure made of different tissues working together to perform a particular function |
| excretory system | removes waste from the body |
| endocrine system | sends chemical messages through body to control daily activities and long term changes such as development |
Created by:
glennjonesms
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