Answer:
The circulatory and respiratory systems work together to pump blood and oxygen throughout the body. Air moves in and out of the lungs through the trachea, bronchi, and the bronchioles. Blood moves in and out of the lungs through the pulmonary arteries and veins that connect to the heart and thats how it works.
Explanation:
Answer:
I think D one would be
Explanation:
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If you stay in the water for too long your hand will shrink
<span><span>Lipids are the class of organic compounds that stores energy as fat</span>.
The answer is Lipids.
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potential energy
you have potential energy when you're stopped. you have kinetic energy when you're moving. so as you're going down a hill, kinetic energy is increasing and potential energy is decreasing.
