Question

(a) What are hormones? Give some of the characteristics of hormones. 5
(b) Which hormone is released into blood when its sugar level rises? Name the
organ which produces the hormone and its effect on blood sugar level. Also
name one digestive enzyme that this organ secretes and the function of this
enzyme.​

Answer 1

A) Hormones are the chemicals that are responsible for controlling and regulating the activities of certain cells and organs. These hormones are secreted by ductless glands known as endocrine glands.

B) The Role of Glucagon. Glucagon, a peptide hormone secreted by the pancreas, raises blood glucose levels. Its effect is opposite to insulin, which lowers blood glucose levels.

Answer 2

Answer:

a) Hormones are chemical substance which affect the activity of other part of body.

1. hormones are secreted by endocrine cells.

2. hormones are chemical messengers.

3. the hormones function is to stimulate or inhibit the target organs.

4. They are chemical signals that circulate in the body fluids.

5. hormones usually cause long term effects like change in behavior, growth etc.

B) glucagon.