What is a possible benefit of having the food and drug administration (fda) test a new drug instead of having the drug manufacturer test it?
a. the fda has experienced researchers and scientists, but the drug manufacturer does not.
b. the drug manufacturer can only test on animals, but the fda can test new drugs on humans
c. the fda does not stand to gain financially from the sale of the new drug, but the drug manufacturer does.
d. the drug manufacturer pays people to test new drugs, but the fda does all drug testing for free.

What causes temperature extremes in the desert

Which of the following describes a negative feedback loop? when the heart rate is too high, the body sends hormones that continually increase the heart rate higher. when a pregnant woman is in labor, the body sends hormones that increase the intensity of contractions, which then increases the secretion of the same hormones. when blood sugar is too low, the body sends hormones that raise blood sugar until it reaches a typical level and hormone secretion slows. when a person is jogging, the body sends hormones that continually decrease the rate of oxygen supply to the legs.

Drag each tile to the correct box. the body monitors the levels of oxygen in the blood to regulate breathing. isabel is running in a marathon and is near the finish line. she feels out of breath. how will her nervous system work to generate a reaction? arrange the tiles in chronological order. isabel's breathing rate increases. sensory receptors in the arteries detect low oxygen levels. the brain sends signals through motor neurons. sensory neurons generate an impulse. the central nervous system relays an impulse to certain brain regions.