How does a flatworms brain compare to yours?
a. it connects to all the same organs as yours
b. it is very primitive in comparison
c. although smaller it holds the same amount of information

The friction red blood cells encounter when moving past each other. cardiac output: the amount of friction blood encounters during flow through blood vessels. blood pressure: the force of the blood against the vessel wall. blood viscosity: the volume of blood pumped out by one ventricle each minute.

Which of the following is an advantage of solar energy?

Body systems are not completely independent they integrate and work together describe one example of the integration between body systems