Match the description to the correct receptor. Do not select answers for those that do not have questions.

This is a thin mucous membrane that protects the inner aspect of the eyelids and the portion of the sclera covering the anterior surface of the eyeball.

Portion of the fibrous layer known as the sclera. Enter just the letter in the blank

This structure is the ciliary body. Enter just the letter in the blank

This darkly pigmented structure reduces light reflection within the eyeball.

The only tissue in the body that can be transplanted from one person to another with little or no rejection. Enter just the letter into the blank.

This darkly pigmented structure reduces light reflection within the eyeball.

Which of the following hormones promotes increases in the basal metabolic rate (BMR)?

Secretes hormone that controls metabolic rate. Enter just the letter into the blank.

Where do tears drain?