Question

question 22 1 pts each hair follicle has a small bundle of involuntary muscles attached to it called the smooth muscle layer. microvilli. arrector pili muscle. dermal papillae. question 23 1 pts which of the following is not a primary germ layer? endoderm ectoderm mesoderm epiderm question 24 1 pts adipose tissue is a storage tissue. a muscle tissue. held together by cartilage. an epithelial tissue.

Explanation:

• Question 22: The arrector pili muscle is the involuntary muscle bundle attached to hair follicles. When it contracts, it causes hair to stand up.
• Question 23: The primary germ layers are endoderm, ectoderm, and mesoderm. Epiderm is not a primary germ - layer; it is derived from the ectoderm.
• Question 24: Adipose tissue is a storage tissue that stores energy in the form of fat.

Answer:

Question 22: C. arrector pili muscle
Question 23: D. epiderm
Question 24: A. a storage tissue