What is responsible for the peristalsis that occurs in the digestive tract?

According to the loco mass the mass of reactants and products

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

Acquired mutations can result from radiation pollution toxins inheritence select all that apply