The pituitary gland is represented by letter ___.

• A
• B
• C
• D

Letter H is pointing to the ___.

• Thyroid
• Parathyroid
• Pancreas
• Adrenal Glands

Letter D is pointing to the ___.

• Thyroid

• Parathyroid

• Thymus

• Pituitary Gland

The secretions from endocrine glands are called _____. These are complex chemicals that influence actions at distant sites and control body functions.

• hormones

• sebaceous fluids

• neural impulses

• lymph fluids

Tags

NGSS.HS-LS1-3

As a general rule, hormone concentrations are controlled by _____.

• positive feedback

• negative feedback

• neutral feedback

• cellular demands

Tags

NGSS.HS-LS1-3

An organ that produces hormones is known as a _____.

• chemical

• gland

• secretion

• duct

The "master gland" of the body, secreting nine hormones, is the _____.

• hypothalamus

• pineal

• thyroid

• pituitary

About how many hormones does the endocrine system produce?

• 30

• 40

• 50

• 60

Tags

NGSS.HS-LS1-3

What element is needed to prevent a goiter of the thyroid gland?

• Iodine
• Iron
• Calcium
• Zinc

This hormone plays a role in regulating circadian rhythms, and is produced by the pineal gland.

• Epinephrine

• Melatonin

• Prolactin

• Calcitonin