Phosphates are substances in the body that sometimes keep hydrogen ions in the urine so they are not reabsorbed by the body. if these ions were reabsorbed, the body’s ph would decrease, becoming too acidic. in this scenario, what is the role of the phosphates?

a. they are acting as thermoregulators.
b. they are acting as buffers.
c. they are acting as sensors.
d. they are acting as glucose producers.

Whats the difference between epinephrine and norepinephrine?

As you sit in the library with your friend studying for your weekly quiz on the integumentary system, you come upon an article about the hazards of prolonged exposure to the sun's rays. your curious nature leads you to research the subject further. you're fascinated to learn that minimal exposure to the sun allows you skin to manufacture vitamin d, which is important to maintain homeostasis. you also read that although sunscreen can protect you from the ultraviolet (uv) rays of the sun, some medications can actually increase a person's sensitivity to the sunlight.

Explain what is meant by the phrase “ethical behavior”.