Endocrine System

What is the main function of the endocrine system?

• It creates chemicals, or hormones, that are sent around the body to maintain homeostasis.

• It creates electrical messages that are sent around the body to maintain homeostasis.

• It maintains the correct level of oxygen in the body to maintain homeostasis.

• It releases waste from the body to maintain homeostasis.

An organ that produces secretions called hormones is known as a :

• chemical
• gland
• hormone
• duct

Cells that have receptors for a particular hormone.

• gland cells

• neurons

• hormones

• target cells

Endocrine glands secrete _

• Hormones

• Neurotransmitters

• A wide range of chemical substances

Produces the hormone insulin and glucagon, which controls the level of glucose in the blood.

• Thyroid Gland

• Pancreas

• Thymus Gland

• Pituitary Gland

Which of the following produces adrenaline?

• thyroid gland

• adrenal medulla

• pancreas

• adrenal cortex

Which of the following hormones opposes the action of parathyroid hormone?

• Thyroid stimulating hormone

• Testosterone

• Insulin

• Calcitonin

Cortisol is produced by the...

• adrenal cortex

• anterior pituitary

• adrenal medulla

• posterior pituitary

Thyroxine (T₃) is made by the...

• Thymus

• Thyroid

• Parathyroids

• Testes

Androgens are made by the...

• Adrenal cortex

• Adrenal medulla

• Anterior pituitary

• Posterior Pituitary