Sophia Human Biology Unit 1 Challenge 2

1 — Digestion Identify the parts of the digestive system and the roles they play. Which part of the digestive system stores food to mechanically and chemically break it down? • a.) Stomach • b.) Large intestine • c.) Small intestine • d.) Esophagus 2 — The Alimentary Canal Identify the parts of the alimentary canal and the roles they play. The alimentary canal is another name for what? • a.) The esophagus • b.) The small intestine • c.) The whole digestive tract ...

Sophia - Human Biology - Unit 1 Challenge 2 1 — Cell Theory Identify the basic elements of cell theory. Which of the following statements is true? • a.) All cells have flagella. • b.) Most prokaryotes do not have a nucleus, but some do. • c.) All cells come from preexisting cells. • d.) All cells are eukaryotes. 2 — Plasma Membrane Determine the characteristics of the plasma membrane. Which of the following is a characteristic of the plasma membrane? • a.) It produces energy for t...