Date:
Directions: ANSWER USING COMPLETE SENTENCES! Use the information you have been given to answer questions about: The Digestive System
Level#1
The mouth is the place where digestion begins. Food is broken down into smaller pieces by the teeth. Breaking, crushing, and mashing food are forms of mechanical digestion.
1. Where does digestion begin?
2. What do the teeth do to the food we eat?
3. What form of digestion is breaking, crushing, and the mashing of food?
Level#2
The mouth is the place where digestion begins. Food is broken down into smaller pieces by the teeth. Breaking, crushing, and mashing food are forms of mechanical digestion. An enzyme is a substance that changes the rate of a chemical reaction. When a chemical reaction happens in the digestive system, the process is called chemical digestion.
1. Where does digestion begin?
2. What role do the teeth play in digestion?
3. What are three examples of different forms of mechanical digestion?
4. What is an enzyme?
Level#3
The mouth is the place where digestion begins. Food is broken down into smaller pieces by the teeth. Breaking, crushing, and mashing food are forms of mechanical digestion. An enzyme is a substance that changes the rate of a chemical reaction. When a chemical reaction happens in the digestive system, the process is called chemical digestion. Teeth are covered in a hard material called enamel. They also have roots. The roots contain nerves and blood vessels. Humans have four types of teeth; canines, incisors, premolars, and molars.
1. Where does digestion begin?
2. What breaks down food into smaller pieces?
3. What are three examples of forms of mechanical digestion?
4. What is an enzyme?
5. When a chemical reaction happens in the digestive system, what is this process called?
6. How many types of teeth do human beings have, and what are their names?
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