body system unit:2 Flashcards
circulatory
Moves oxygen and carbon dioxide through the body via the blood. Major organ: heart
Digestive system
Breaks down food and turns it into fuel. Major organ: stomach.
Endocrine system
Causes puberty; produces hormones to control different body functions. Major organ: pancreas.
Excretory system
Rids the body of waste. Major organ: kidneys.
Integumentary system
Protects the body from infection, cools the body. Major organ: skin.
Muscular system
Allows for movement. Major organ: muscles.
Nervous system
Allows for movement. Major organ: muscles.
Reproductive system
Allows the body to reproduce. Major organ: testes/ovaries.
Respiratory system
Exchanges CO2 and O2 with the environment. (Breathing). Major organ: lungs.
skeletal system
Provides structure and protects vital organs. Major organ: bones.
chemical change
A substance’s composition is changed (rusting, burning, etc.)
physical change
The physical properties of a substance is changed (change of shape, size, phase, etc.)
