Q: What does the sebaceous gland secrete which waterproofs the skin and hair?


Read this paragraph and choose the correct option from the provided answers:

Hair, hair follicle, and oil glands. The oil, called sebum, helps to prevent water loss from the skin. The sebaceous gland secretes sebum, which waterproofs the skin and hair.

 Choices:

- pus

- progesterone

- collagen

- sebum


A:
sebum