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Human Body Systems

Terms in this set (35)

organ systems
a group of organs that work together to carry out a life process
epidermis
Outer layer of the skin
circulatory system
This system works as the transportation highway for the body. It consists of the heart, blood, and blood vessels. It transports substances such as oxygen, carbon dioxide, and nutrients in the body.
aorta
Big Artery that sends oxygen rich blood to the rest of the body
atrium
Each of the two upper chambers of the heart that receives blood that comes into the heart.
artery
a type of blood vessel that carries blood away from the heart to other parts of the body
vein
a type of blood vessel that carries blood from the body back to the heart
ventricle
Each of the 2 main chambers of the heart, left and right.
capillaries
the smallest kind of blood vessel
plasma
Liquid part of blood
white blood cells
a blood cell that fights disease and infection
red blood cells
Blood cells that carry oxygen to body cells and takes away carbon dioxide
respiratory system
system responsible for taking in oxygen and releasing carbon dioxide using the lungs
air sacs
Structure in the lungs where oxygen enters the blood stream.
diaphragm
Large, flat muscle at the bottom of the chest cavity that helps with breathing
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