Evolutionary Biology and Comparative Anatomy Lecture: Integumentary muscles:

1. originate (usually on the skeleton and insert on the underside of the dermis
2. entirely within the dermis
3. found in birds and mammals
4. striated
5. mostly smooth muscles
6. move skin of amniotes

a. Extrinsic integumentary muscles (platysma)
b. Intrinsic integumentary muscles (arrector pili muscles)

Question

Integumentary muscles:

1. originate (usually on the skeleton and insert on the underside of the dermis
2. entirely within the dermis
3. found in birds and mammals
4. striated
5. mostly smooth muscles
6. move skin of amniotes

a. Extrinsic integumentary muscles (platysma)
b. Intrinsic integumentary muscles (arrector pili muscles)

Stelle Anthonette · Accepted Answer

1. a
2. b.
3. b.
4. a.
5. b. 
6. a.

Evolutionary Biology and Comparative Anatomy Lecture

1. a 2. b. 3. b. 4. a. 5. b. 6. a.

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