The envelope is an outer layer that some, but not all, viruses have. How does an envelope form

Building glycogen from glucose molecules is an example of what

Name the glands associated with human digestive system

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