Answer: i believe false
Explanation: The semilunar valves are located at the connections between the pulmonary artery and the right ventricle, and the aorta and the left ventricle. These valves allow blood to be pumped forward into the arteries, but prevent backflow of blood from the arteries into the ventricles.
The answer is true
The average American child does watch an average of 19 hours and 40 minutes of TV in a week.
Bc people didn’t really understand the affects that smoking has on your health and didn’t have experienced doctors to tell us so. Now that doctors are learning more about the effects of it, people don’t find it “socially acceptable”
By stretching every day to become more flexible
