Answer:
A.
1.When you begin chewing, glands in your mouth and throat begin to secrete saliva.
2.The teeth cut and crush the food, while it's mixed with saliva.
3.food moves from the mouth to the throat,
B.
1.When you exercise and your muscles work harder, your body uses more oxygen and produces more carbon dioxide.
2.???
i don't know the question for number 2 in letter B sorry...
Hope it helps you for you're tomorrow's deadline
#Keep Learning
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Answers & Comments
Answer:
A.
1.When you begin chewing, glands in your mouth and throat begin to secrete saliva.
2.The teeth cut and crush the food, while it's mixed with saliva.
3.food moves from the mouth to the throat,
B.
1.When you exercise and your muscles work harder, your body uses more oxygen and produces more carbon dioxide.
2.???
i don't know the question for number 2 in letter B sorry...
Hope it helps you for you're tomorrow's deadline
#Keep Learning