The answer is: 13) B 14) C 15) A
Dopamine and serotonin are both brain chemical signaling molecules.
<em>Five benefits of physical activity: </em>
1. It strengthens the body. - Physical
2. It prevents illness. - Physical and Emotional
3. It improves brain function. - Mental
4. It increases energy level. - Mental and Physical
5. It makes you feel happier. - Emotional and Social
Physical exercise is beneficial to all aspects of human existence whether physically, mentally, emotionally, socially, or spiritually. Once you are physically healthy, the rest follows. Everything is interconnected.
The answer is letter A.
Children will most likely gain 4-6 pounds each year until the end of puberty. Both males and females experience puberty, because this is the turning point of a human body's growth which makes reproduction and the continuity of species possible. Males tend to have reached the peak of their puberty at the age of 25 while females reach the end of theirs between ages 21-24.