Biology, asked by JoyloveM3485, 1 year ago

serum is a) plasma without clotting factors b) blood without blood cells c) blood without clotting factors d) blood without rbc

Answers

Answered by sujithmbbs20
1
I guess B,C is not correct ..I guess the answer is A
Answered by Anonymous
27

A heart attack is a medical emergency. A heart attack usually occurs when a blood clot blocks blood flow to the heart. Without blood, tissue loses oxygen and dies.

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