What function do capillaries serve in the cardiovascular system?
a. carry blood to the brain
b. return blood to the lungs
c. control body temperature
d. replace old blood cells

Give three examples of plant activities that are affected by circadian rhythms and natural fluctuations in the length of daylight?

What factors contribute to the effect an environmental toxin has on the human body?

In the united states there are strict fishing seasons and limits, but not all countries enforce similar laws. in bangladesh there are few if any fishing restrictions. what might be the reason for less restrictions in smaller countries like bangladesh? a) the united states is the only country worried about overfishing. b) the united states wants to limit the supply of fish to increase the price. c) bangladesh and smaller countries have an unlimited supply of fish in their coastal waters. d) small countries, such as bangladesh, are practicing subsistence fishing, taking only the fish needed to survive.