Spitting lol
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They belong to buccal cavity which is a part of the digestive system.
I’m pretty sure it’s the second one
Answer: Theres a cure in it but if you get a higher percentage then theres definingly something wrong with you. Try talking to your doctors about this question.
Explanation:
<h3> Hi brainly user I did some research and the percentage can go higher, You shouldn't exercise that much because you can cause any illness in your body. I recommend doing a diet because its more safer and it wouldn't cause any problems.</h3>