Skeletal muscles are called voluntary muscles because: A: they are found under the skin. B: they contract without a stimulus. C: they are under our conscious control. D: they are the muscle type that provide movement.

In this job, I get both a fixedsalary and a(an) _________for every item I sell.

Both sides don’t reach the agreement on ______item, so they will meet at ______tomorrow.

The epidermis is made up mainly of skin cells called keratinocytes. Keratin means (two words)

Which of the following is derived from the ecotoderm? A: epidermis, lenses of eyes, and nervous system B: notochord, skeleton, and skin C: liver, thyroid, and muscles D: blood, respiratory system, and skeleton