O. Using key choices, complete the following statements. Insert the letter(s) or term(s) in the answer blanks Key Choices A. Arrectorpili B. Cutaneous receptors D. Hair folliçles) F. Sweat gland...

O. Using key choices, complete the following statements. Insert the letter(s) or term(s) in the answer blanks Key Choices A. Arrectorpili B. Cutaneous receptors D. Hair folliçles) F. Sweat gland (apocrine) C. Hair E. Sebaceous glands G. Sweat glane 1. A blackhead is an accumulation of oily material produced upright during fright or cold are called 2 3. The most numerous variety of perspiration gland is the _ 4. A sheath formed of both epithelial and connective tissues is the 5. A less numerous variety of perspiration gland is the O / Its secretion (often milky in appearance) contains proteins and other substances that favor bacterial growth. 6. 6 is found everywhere on the body except the palms of the 7. are specialized nerve endings that respond to temperature 8. (8 become more active at puberty i.. -o-found hands, soles of the feet, and lips, and primarily consists of dead keratinized cells. and touch, for example. 9. Part of the heat-liberating apparatus of the body is the