Answer:
Walls are thin.
Inner surface is moist.
Tissues are filled with blood vessels.
Exposed to air
Explanation:
Answer:
C.
Explanation:
Not all victims are in water
Not all victims have hairy chest
Pads ALWAYS NEED to be placed on bare skin
Not all victims have pacemakers
Answer:
Answer is C.
Explanation:
A. The vessel length is pretty much constant. The body can't length or shorten blood vessels.
B. Blood viscosity is also fairly constant because the composition of blood cannot change quickly enough to change resistance as needed.
C. This is the main way resistance is controlled. The smooth muscle surrounding blood vessels can rapidly respond to hormonal or metabolic stimuli and contract/relax to adjust diameter.
D. Again, temperature is fairly constant in the body and would not be a good way to alter resistance.
Your Answer will be D. <u>Monocytes</u>
Answer:
d. All of the Earth's systems interact with each other.
