what does the blood transport throughout the body?, Water, sugar, oxygen and nutrients, water and sugar, How does your heart rate change when you exercise?, it slows down to save energy, it stays the same, it increases to deliver more oxygen to your muscles, it pauses briefly to rest, what could happen if the heart doesn't pump blood efficiently ?, body cells may not receive enough oxygen and nutrients, the muscles will work better without oxygen, the body will need less energy, no correct answer, which sign might show that the body is not getting enough oxygen during exercise ?, feeling energetic, feeling dizzy, sweating normally, breathing a little faster, which side of the heart pumps oxygen-rich blood to the rest of the body?, right side, heart valve, 4 champers, left side, what is another name for your heart rate and pulse?, the amount of blood in our body, the number of beats per day, the number of times your heart beats per minute, the force of blood moving through your vessels

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