True or false: the hormones

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   Beta cells of the Islets of Langerhans secrete insulin.

2. Statement is true

   Yes

   Statement

   Glucagon raises blood glucose levels.

3. Statement is true

   No

   Statement

   Parathyroid hormone lowers blood calcium.

4. Statement is true

   Yes

   Statement

   There are four parathyroid glands in humans.

5. Statement is true

   No

   Statement

   Melatonin is secreted by the thymus.

Instructions

Decide whether each statement about these hormones is true.

Explanation