B. Choose the letter of the best answer.1. Which of the following secretes sebum?a. dermisb. epidermisC.haird. oit gland2. Which of the following is the function of the hairs in the nose anda.reduces the skin's exposure to UV raysb. filter dust particlesC.protects the head and skull from abrasiond. helps in sensations like touch, pain, heat, and pressure3. Which protects the head from abrasion?a. hair on the scalpb. hair in the nosec.hair on the eyebrowsd. hair in the earsears?
Answer (2)
Answer:Here are the answers and explanations: 1. d. oil glandOil glands, also known as sebaceous glands, produce sebum, an oily substance that helps lubricate and protect the skin.2. b. filter dust particlesThe hairs in the nose act as a filter, trapping dust, pollen, and other particles before they can enter the respiratory system.3. a. hair on the scalpThe hair on the scalp provides a protective layer for the head, cushioning it from impacts and abrasion.
identify the parts of the microscope represented by the following letters
