Answer:
True
Explanation:
When you exercise, your body releases chemicals called endorphins. These endorphins interact with the receptors in your brain that reduce your perception of pain. Endorphins also trigger a positive feeling in the body, similar to that of morphine.
Answer:
True
Explanation:
This is because if a helmet is too loose on a person, it can fall off during an accident. It also won't protect the head as well if it is not snug.
The right side of the heart<span> pumps blood to the lungs, where the blood is oxygenated and then returns to the </span>heart<span>. This circuit is called the pulmonary </span>circulation<span>. </span>The left side of the heart<span> receives oxygenated blood from the lungs and pumps it to the rest of the body.
so yes the t</span><span>he left side of the heart performs the circulation.</span>
