1. A person is sitting by the beach and a mosquito bites them. Could they contract HIV?
2.A person sits on a public toilet at Wal-Mart ®. Could they contract HIV?
3.Two people are in a fight outside a football game. Both are bleeding. Could they contract HIV?

1. no

2. no

3. It depends on if one of them is a carrier of the virus and the other comes in contact with the blood

hey there!

so, when you eat, your teeth chew and grind food into smaller pieces. this is mechanical digestion. then reactions aided by digestive enzymes break down large food molecules into smaller molecules. this is chemical digestion. the two processes change the food into simpler substances that can be used by the body for raw materials and energy.

hope this

tobey