Answer:
-Blood in the heart only flows one-way
-The atria pump oxygen-rich blood to the body
The 4 × 400 metres relay or long relay is an athletics track event in which teams consist of four runners who each complete 400 metres or one lap
Explanation:
Four athletes each complete one 400m lap. The first lap is run in designated lanes, as is the second – until the beginning of the back straight.
Fiber is important to help cleanse the colon and also 8 glasses of water daily
Yes because when having anything done to your mouth or throat it is recorded as an oral surgery. Hope this helps. Have a great day! c: