Dissolved food enters the bloodstream to feed body cells through the___of the small intestine. A. Alveoli
B. Bronchia
C. Cilia
D. Villi

18. which statement about cancer is true?

The human body maintains a temperature of around 98.6 degrees at all times. enzymes are involved in almost every chemical reaction in the body. which of the following describes the connection between these two statements? a. enzymes function best at a specific temperature. b. the body needs to be warm to prevent hypothermia. c. the body is kept relatively warm to prevent too much enzyme action. d. there is no connection between the two statements.

What is phosphorylation? the conversion of phosphate into another molecule the removal of a phosphate group from a molecule the conversion of a molecule into phosphate the addition of a phosphate group to a molecule