The functional unit of the nervous system is [1 point]
a. the neurons
b. the brain
c. a reflex
d. the cerebrum

Describe the potential effects, on people, of unprotected exposure to the sun.give an example of 1 new thing have you learned about the sun’s uv rays.

Andra has a family history of osteoporosis. her doctor advises her to eat foods rich in calcium. which foods should she add to her diet? a. fruits, especially grapes and berries b. unsaturated fats like olive and soybean oil c. beet greens, broccoli, and cheese

How do you imagine the heart of a person with prolonged high blood pressure might look different from the heart of someone with normal blood pressure?