Olfactory receptors are

The _____ – protects and cushions delicate organs; permit change in the size and shape of visceral organs so they do not distort surrounding tissues and organs

Erasistratus was in what major time period?

Photoreceptors release __________ in the dark and __________ in the light.

Which of the following regions corresponds to the upper leg?

Most homeostatic control mechanisms are negative feedback reactions.

Proximal means farther from the origin of a body part.

The sensory receptors of the semicircular canals are located in the

The four basic types of tissue in the body are

All of the following are true of the lacrimal glands, except that they