Exam 27: Nutrition and Digestion

In ruminant mammals,microorganisms attack cellulose-containing food in the __________,before the food encounters digestive enzymes.

Animals that "chew their cud" feed on materials that have a high __________ content.

The __________ of birds develops from the posterior portion of the stomach and is used to help grind up food.

Which of these is the major detoxification organ in mammals?

In the small intestines,triglycerides become coated with proteins to form small droplets called

Ciliated protozoa utilize _______________ nutrition.

Intracellular digestion takes place in

A digestive organ,the __________ is a major heat producing organ in a mammal's body.

The nitrogenous waste,urea,is formed in the

Much of animal evolution has been marked by the loss of

The earthworm is an example of a(n)

A Calorie is equal to __________ calories.

Glycoproteins called mucins help bind food in the mouth into a moist mass called the

The semi-liquid mass that passes from the stomach into the small intestine is called

A polysaccharide that is produced by plants and serves as a major source of dietary fiber is

Rabbits obtain more nutrients from their foods because

Pancreatic __________ splits triglycerides into glycerol and fatty acids.

A complete digestive tract first appeared in this type of animal.

The minerals __________ and potassium are vital to the functioning of nerves and muscles in an animal's body.

Which of the following helps to digest lipid molecules?