Which of the following best describes hair?

hair is made of mostly tightly packed living cells.
hair does not control body temperature.
hair growth occurs in the hair follicle.
hair grows at 2.5mm a month.

Control of the body is accomplished by which of the following body systems? nervous system and circulatory system endocrine and repertory system circulatory and respiratory systems nervous system and endocrine systems

Which would be the most useful source of evidence to support mcneill's contention?

To be or not to be that is da question