In science today my class and I have been learning about the human digestive system. Here are some questions we have to answer related to our topic.
1) What are the four types of teeth in the human body?
1. Premolars - Crush food
2. Molars - Grind food
3. Incisors - Cut food
4. Canines - Tear food apart
2) What is saliva and what does it do?
It is spit used to prevent dry mouths and help us swallow our food.
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