Answer:
The answer is True! According to Stanford Children's Health, over 3.5 million injuries are incurred by some 30 million children taking part in sports every year. Hopefully this helps!
Answer:
B) Valves closing
Explanation:
A healthy heart makes a lub-dub sound with each beat. This sound comes from the valves shutting on the blood inside the heart. The first sound (the lub) happens when the mitral and tricuspid valves close.
Answer:
i didn't see the video but..... The asterisk is the little star symbol above the “8” key on your keyboard. The word comes from a Greek word meaning “ little star.”
asterisk: are " * "
Answer:
it's b: shrinks as water flows out
