In humans and animals, red blood cells (blood cells) carry oxygen. Imagine that all the red blood cells in the blood of an animal are suddenly destroyed. What are the consequences of this?
1. Cells will stop receiving nutrition due to the fact that hemoglobin does not exist outside the erythrocyte, which means that oxygen will not enter the cells
2. Due to lack of nutrition, cells will begin to die
3. Since tissues consist of cells that cease to receive nutrition, necrosis (death) of tissues will begin
4. The inevitable death of the body
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