A) What is the role of the nervous system in digestion? (1 point)

Question

to provide enzymes
to provide oxygen
to provide passage of nutrients throughout the body
to provide electrical signals to initiate peristalsis

Answer 1

The role of the nervous system in digestion is to provide electrical signals to initiate peristalsis.

Answer 2

A) Where does most of the absorption of nutrients occur? (1 point)
mouth
stomach
small intestine
large intestine

Answer 3

Most of the absorption of nutrients occurs in the small intestine.

Answer 4

A) The pizza that you ate for lunch is being digested. Summarize what happens to it in your stomach. (1 point)
Enzymes from the liver and pancreas break down fats and proteins in the pizza.
The pizza is mechanically broken up by teeth and mixed with saliva.
The waste materials are compacted and then removed from the body.
The pizza is churned, mixing it with digestive enzymes and gastric acid

Answer 5

In the stomach, the pizza is churned and mixed with digestive enzymes and gastric acid.

Answer 6

A) How does the nervous system influence the respiratory system? (1 point)
It regulates urine output.
It controls muscle contraction.
It stimulates defense against pathogens.
It regulates blood pressure.

Answer 7

The nervous system influences the respiratory system by controlling muscle contraction.

Answer 8

A) Which system comprises of skin, hair, and other parts of the outermost layer of the body? (1 point)
nervous system
endocrine system
integumentary system
lymphatic system

Answer 9

The system that comprises of the skin, hair, and other parts of the outermost layer of the body is the integumentary system.