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Human Body Systems

7.12B Systems of the Human Body

Integumentary System Reacts to external environmental conditions and protects the body’s deeper tissues.
Muscular System Allows body to move and provides strength, balance, and warmth.
Skeletal System Holds organs in place, provides structural support, stores minerals, and generates new blood cells.
Respiratory System Breathing that supplies oxygen to the blood and gets rid of carbon dioxide.
Circulatory System Circulates blood through the body, supplies oxygen and nutrients, and removes waste.
Nervous System Functions as the control center, coordinating all the actions and reactions.
Endocrine System Regulates the body by secreting hormones into the bloodstream; also controls growth, reproduction, and metabolism.
Digestive System The group of organs that work together to break food down by physical and chemical processes into nutrients that the body can use.
Excretory System Filters, collects, and removes excess fluids and wastes from the bloodstream.
Reproductive System Male and female systems used to produce offspring.