How does your diaphragm contracting in inhaling?

Which of the following would be a body response when stepping outside without a coat on a snowy day? a. senaceous glands. secrete more senum b. more liquid is transported by the body to the skin fir insulation c. blood vessels in the skin narrow and contract d. blood vessels in the skin expand

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

How does friction with the atmosphere affect the speed of an artificial satellite