Explanation:
Risk-Taking—Research shows the brain keeps developing well into the twenties, during which time it continues to establish important communication connections and further refines its function. Scientists believe that this lengthy developmental period may help explain some of the behavior which is characteristic of adolescence—such as their propensity to seek out new and potentially dangerous situations. For some teens, thrill-seeking might include experimenting with alcohol. Developmental changes also offer a possible physiological explanation for why teens act so impulsively, often not recognizing that their actions—such as drinking—have consequences.
Answer:
the first one
Explanation:
i think it's more reasonable
Answer: Those parts is were all the oxygen is distributed through the human body, and so technically it can be considered the respiratory system.
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Explanation:
The circulatory system is a good example of how body systems interact with each other. Your heart pumps blood through a complex network of blood vessels. ... Meanwhile, the circulatory system carries hormones from the endocrine system, and the immune system's white blood cells that fight off infection.Aug 22, 2016