United Stated environmental protection agency
He should lighten up his exercise just a bit to ensure he is not overloading his heart.
Answer:
burning your hand in hot water(A
Explanation:
Answer:
When groups of tissues work together, they are called organs. Some examples of organs are the heart, lungs, skin, and stomach. When organs work together, they are called systems. For example, your heart, lungs, blood, and blood vessels work together. They make up the circulatory system.
Explanation:
9) nicotine is so addictive
10) join a program
11) prescription medicine
12) drug misuse
13) narcotics