Biology, 30.01.2020 08:04 wendybhenry61391

1. explain the function of the heart in the circulatory system?
2. describe the function of the lungs in the circulatory system?
3. why do you think it would be very dangerous to lose a quart of blood in an accident?
( explain all in a short form if you can)
ttt

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1. explain the function of the heart in the circulatory system?
2. describe the function of t...