Question

The Human body is composed of organ systems. Which List represents a systems from the least to most complex?

A. Lung Tissue --> trachea --> nostril--> circulatory system
B. Heart --> cardiac muscle --> muscle tissue --> muscle cell
C. Muscle Cell --> muscle tissue --> biceps muscle --> muscular system
D. Integumentary system --> skin cell --> hair --> sweat glands

Answer 1

It’s c because it keep getting more complicated

Answer 2

The answer is D, I think