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Immediately after blood donation, the cardiovascular system will be perfectly normal. Your body will replace its blood volume (as plasma) within 24 hours after donation. The bond marrow will replace the red blood cells in about 4 to 8 weeks, which is why you need to wait 8 weeks before donating whole blood again.

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12y ago
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12y ago

As long as you have enough blood to donate (which is checked before you donate), nothing will happen to the heart after blood donation. It will be perfectly fine.

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Q: What changes would occur in cardiovascular system immmediately after the blood donation?
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