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Oxana [17]
3 years ago
6

How many major organ systems exist in humans? A. 15 B. 5 C. 11 D. 9

Biology
2 answers:
hammer [34]3 years ago
8 0

Answer:

C. 11

Explanation:

There are 11 major organ systems that exists in human beings. So, option (C) is the correct answer.

algol [13]3 years ago
5 0
11, would be the answer
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Difference between incomplete and complete ventilation? any 4​
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Due to exchange of gases i.e. normal and abnormal.

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