I think the circulatory system is the best body system because we need the heart to stay alive, many people live with only one lung. but we need the respiratory system to let oxygen in, and let carbon dioxide out.
Explanation:
the answer D is correct, ....
infection that can be passed from one person to another.
Innate is a general, nonspecific immunity against any pathogen trying to enter the body.
It encourages children to follow these steps at home and in the future, leading to a healthier lifestyle.
Answer:
False
Explanation:
Because genetics are influenced by the socioeconomic functions and traditions of the culture, slowly influencing and evolving the average body for a descendant of said culture.
