The process of fertilization begins with ____ cell(s) that has/have ____ chromosomes each; and ends with _____ cell(s) that has/have _____ chromosomes each.

TSH causes the _______ of thyroid hormone.

Hormone release may be stimulated by all of the following factors, except?

Oxytocin is secreted

Short-term stress responses include immune system suppression and retention of salt and water by the kidneys.

The ______ is the structure that often coordinates the responses of the nervous system and the endocrine system.

All of the following are structures have primarily endocrine functions except

Sperm initially develop from cells called

If a diabetic patient received too much insulin, this could be corrected by injecting

Match the lymphatic cells with their function.