Answer:
muscles -D
Explanation:
the circulatory system consists of three independent systems that work together the heart, the lungs, and arteries, veins , coronary and portal vessels .
Answer:
During this period, children's bodies change proportions and they start to look more like adults than babies. Arms and legs stretch to catch up and balance out the head and trunk. Children also begin to lose their "baby fat" as they develop sleeker, straighter bodies with the strong muscles necessary for work and play.
Explanation:
20% is the percent of deaths caused by smoking
Be persistent in communicating with the doctor in multiple visit because some times a doctor does not see all the systoms