Biology Topic Practice

The Endocrine System

The endocrine system is composed of glands which secrete chemical messengers called hormones directly into the bloodstream.

Do you know your endocrine glands?

What is The Endocrine System?

"The endocrine system is a network of glands that produce and secrete hormones into the bloodstream to regulate body functions."

Question 1

Which hormone prepares the body for a 'fight or flight' response?

Question 2

What is one role of thyroxine in the body?

Question 3

Why is the pituitary gland sometimes described as a 'master gland'?

Question 4

Which hormone prepares the body for a 'fight or flight' response?

Hormonal Control

Hormones act slower than the nervous system but their effects are longer-lasting.

The pituitary gland (master gland) secretes many hormones that regulate other endocrine glands.

Exam Tip

Wait, don't confuse the pancreas with the pituitary gland. The pancreas monitors blood glucose.

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