8. What is the combined primary function of the respiratory and circulatory systems?
a. Store oxygen for the body to use.
b. Supply nutrients and remove waste products from the digestion of food.
c. Protect the body from infection and regulate temperature.
d. Continuously supply body tissues and cells with oxygen.

When the dental assistant is seated in the correct position is usually what

All houses are built according to safety standards, so it is not important to consider injury prevention while at home. select the best answer from the choices provided.otf

Melanocytes and keratinocytes work together in protecting the skin from uv damage when keratinocytes a. provide the melanocyte with a protective shield against abrasion b. maintain the appropriate temperature so the product of the melanocyte will not denature c. maintain the appropriate ph in order for the melanocyte to synthesize melanin granules d. accumulate the melanin granules on their superficial portion, forming a uv-blocking pigment layer