Lesson 2: The Digestive and Excretory Systems

Question 1

Which shows the best connection between the digestive and excretory systems?

Revolt · Accepted Answer

The digestive system fuels the cells and the excretory system rids the body of the cells’ waste.

Question 2

Which is the role of the gall bladder?

Revolt · Accepted Answer

to store the liquid produced by the liver

Question 3

Which is the proper order of structures that contact the substances removed from the blood?

Revolt · Accepted Answer

nephron → ureter → bladder → urethra

Question 4

Which statement best describes the breakdown of food in the digestive system?

Revolt · Accepted Answer

Carbohydrate digestion starts in the mouth and protein digestion starts in the stomach.

Question 5

In which part of the digestive system does a chemical change of the food first occur?

Revolt · Accepted Answer

mouth

Question 6

Which occurs during digestion?

Revolt · Accepted Answer

Physical digestion prepares the food for chemical digestion.

Lesson 2: The Digestive and Excretory Systems Answers