The endocrine system produces chemicals called __________ that affect many parts of the body

The ______ of the endocrine system release hormones that travel through the blood and control the actions of cells, tissues, and organs.

Most  endocrine glands release their hormones directly into the _______.

Steroid and nonsteroid hormones work in different ways, but both affect cells by binding to specific chemical ________ located either on cell membrane or within cells.

If a cell does not have receptors for a particular hormone, the hormone has no effect on it.

Like most t body systems, the endocrine system is regulated by negative feedback mechanisms that function to maintain ________.

When you exercise, you sweat and lose water. If this water loss continued, your body would soon become _______.

When concentrations of dissolved materials fall, as it might after you drink several glasses of water, the pituitary releases less _________.

When blood glucose concentration rises, the pancreas releases _________.

Insulin stimulates liver and skeletal muscle cells to convert blood _______ to glycogen.

In between meals, when blood glucose concentration drops, the pancreas releases __________.

When _________ is complete, the male reproductive system is fully functional, meaning that it can produce and release active sperm.

The primary reproductive organs of the female are the __________.

The main functions of the female reproductive system are to produce egg cells, or ova (singular: ovum),and to prepare the body to nourish a developing ___________.

A female's ovaries only release about 400 ______ during her lifetime.

Egg release is part of the __________ cycle, a regular sequence of events involving the interaction of the reproductive system and the endocrine system.

Human development begins with ___________, the fusion of sperm and egg.