Heart
The top two chambers of the heart
the atrium or the atria
the function of arteries
to carry blood away from the heart
the function of the veins
to carry blood back to the heart
how thick the walls of capillaries are
one cell thick
the bottom two chambers of the heart
the ventricle or ventricles
the material that makes up the innermost layer
epithelial cells
the amount of layers veins have
three
the process used to exchange materials from the blood to body cells
diffusion
the thing separating the atria and ventricles
valves
the material that makes up the middle layer
muscle tissue
true or false: veins carry blood back to the heart using the force that carried the blood through the arteries
false
true or false: cellular waste products go from the body cells into the cells
true
the group of heart cells in the right atrium that make the heart muscle contract
the pacemaker
the material that makes up the outer layer
connective tissue
the size veins are compared to arteries
smaller
the walls of capillaries are so thin because...
materials can be passed through the walls between the body and blood cells
the amount of phases the heart has
two
the function of the layer of muscle
the regulate the flow of blood into certain organs
example of materials traded with the body cells
oxygen and glucose