7th Grade 2.2.3 Quiz
star
star
star
star
star
Last updated almost 3 years ago
9 questions
1
What is the function of peristalsis?
What is the function of peristalsis?
1
When does the first step of digestion usually occur?
When does the first step of digestion usually occur?
1
Food enters the human body through the _____.
Food enters the human body through the _____.
1
Digestion begins in the mouth with chewing and food mixing with _______, which begins to break down food.
2
Order the following steps in the digestion process.
Order the following steps in the digestion process.
- Nutrients and water in the food are absorbed
- Food is digested
- Undigested food is eliminated
- Food is ingested
5
Using complete sentences, explain why is it necessary to have both mechanical and chemical digestion?
Using complete sentences, explain why is it necessary to have both mechanical and chemical digestion?
1
_______ is an example of mechanical digestion and _______ is an example of chemical digestion.
5
Using a complete sentence, explain how the respiratory system and the skin play a role in in the excretory system.
Using a complete sentence, explain how the respiratory system and the skin play a role in in the excretory system.
1
Absorption in the small intestines occurs through the walls of fingerlike projections called _______ .