Digestion of foods includes the mechanical actions of:
a. chewing to allow some nutrients to be absorbed into the body through the tongue.
b. peristalsis waves to move the foods down through the digestive tract.
c. the stomach to gently release foods into the small intestine.
d. the small intestine to absorb water and create the paste that forms feces.
e. the large intestine, which releases gas that facilitates fecal transport.
Question 2
What is the role of white blood cells in protecting the body from invading organisms?
a. Phagocytes release antibodies against the invaders into the bloodstream.
b. T-cells release a chemical trail for identification of invaders.
c. B-cells engulf and digest the foreign particles.
d. Killer T-cells seek out and destroy all foreign particles with the same identity.
e. Skin cells are a type of white blood cell that provide a physical, protective barrier.
Like all animals, primates must balance their calories expended searching for food with calories, pr
Nutrients and Their Functions
Satiety Index of Different Foods Subjects
The Basics of Digestion
Adding Calories and Nutrients
Added Sugar in Common Foods