13-3

Refer to the illustration above. Growth hormone is produced by gland

1

Refer to the illustration above. The pituitary (or master) gland is gland

1

Refer to the illustration above. Diabetes mellitus is associated with a defect in the functioning of gland

2

Refer to the illustration above. The gland that produces insulin is gland

2

Refer to the illustration above. The gland that is stimulated during emergency situations (causing the "fight-or-flight" response) is gland

3

Refer to the illustration above. The development and maintenance of female sexual characteristics are mainly regulated by secretions of gland

4

Refer to the illustration above. Testosterone is produced by gland

5

Hormones are produced directly by organs and tissues of which of these body systems?

Endocrine

Which of the following best describes the endocrine system?

It is made up of glands that secrete hormones

A(n) ______________________ cell is the type of cell on which a hormone has an effect.

Target

Hormones must bind to their target receptor to function.

True

The hypothalamus acts as a link between the nervous system and the endocrine system.

True

The hypothalamus

all of these describe the hypothalamus. acts as a link between the nervous and endocrine systems. is actually part of the brain. releases hormones that travel to the pituitary gland, where they stay until they are needed.

The endocrine system releases

hormones that travel through the bloodstream to target organs.

A target cell

is affected by a particular hormone because it has receptor proteins for that hormone.

The pituitary gland

is often called the master gland of the endocrine system.

Glands of the endocrine system include

the pineal gland. the adrenal gland. the pancreas. all of these are endocrine glands.

Hormones are essential to maintaining homeostasis mainly because

they cause specific responses in specific targets.

Hormones are

transported to their targets by the bloodstream or secreted into extracellular fluid.