Question

How many organ system levels are

a. 9 b. 10

c. 11 d. 12​

Answer 1

option (c) 11

Explanation:

They are the integumentary, skeletal, muscular, nervous, endocrine, cardiovascular, lymphatic, respiratory, digestive, urinary, and reproductive systems.

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Answer 2

Explanation:

option c 11 organ system levels are there