Many North Americans have misconceptions about their own protein needs and the roles of protein in the body. a. True
b. False

Match each organ or function with its body system. produces urine large intestine ureters mouth filters blood absorbs nutrients from food

Classify the structures as homologous or analogous, depending on their structure and function.

What is it called when part of a cell membrane closes around a molecule to allow the molecule to enter the cell? a. passive transport b. diffusion c. endocytosis d. exocytosisc. endocytosis