Which determines what an organism looks like and how it grows and develops?
a) protein
b) cell
c) dna
d) cyclins

Maintaining a healthy weight allows the respiratory system to work more effectively because a. oxygen is being delivered more adequately. b. the heart does not have to pump as forcefully. c. the capillaries are constricted. d. the lung capacity allows for small amounts of air.

All houses are built according to safety standards, so it is not important to consider injury prevention while at home. select the best answer from the choices provided. otf

How will health most likely be affected if you follow the recommended guidelines for sleep rest and physical activity