Answer:False
Explanation: Many drugs mess with the mental part of your brain, the hippocampus. pls mark brainliest
Answer:
The smallest bronchioles end in tiny air sacs, called alveoli. They inflate when a person inhales and deflate when a person exhales. During gas exchange oxygen moves from the lungs to the bloodstream.
Explanation:
Answer: A. Regular participation in physical activity reduces the risk of developing various diseases.
Answer:
Blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. As the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.
Exercise is a good way to improve your mood if your upset or depressed