Question

* (9) Explain chemical coordination in humans
and give the names and functions of some
hormones.​

Answer 1

Answer:

• Chemical co-ordination in humans is due to the secretion of hormones from various glands in the body. The co-ordination is specially due to endocrine glands system in our body.

• Eg:- Thyroid gland produces thyroxine hormone. Thyroxine's principal function is to stimulate the consumption of oxygen and thus the metabolism of all cells and tissues in the body.

• More hormones are Insulin, growth hormone,etc.

Answer 2

Explanation:

Coordination in human occur in two levels like nervous coordination and chemical coordination. The coordination which occurs with help of harmones is called chemical coordination. Harmones are organic chemical produced by the body , which are realesed in blood. The key feature of the harmones is that they are secreted by the ductless gland. The gland that secret harmones do not have ducts. Harmones are released directly into blood stream and reach the target organ.

Some harmones produced by pitutary :

• Prolactin growth of mammary gland and formation of milk in them.

• TSH - synthesis and reach to tyroid harmones.