Why the pulse is clearer in wrist than in ankles?

The first amino acid of a new polypeptide chain is

Which statement describes a way in which the digestive and excretory systems work together? a. the nephrons absorb nutrients from food going to the large intestine. b. the excretory system balances blood gases in the small intestine. c. the intestinal villi filter blood and send wastes to the bladder. d. the excretory system balances the salts and water obtained from digested food

How does science influence the decisions made about social, economic, and political issues?