whole blood control

Maintenance of internal chemical environment of the body to a constant is called homeostasis. Hormones play a major role in maintaining homeostasis by their intergrated action and feed back controls. Feedback control is mostlly negative, rarely positive. In a negative feedback ..

Hormonal Control of Digestion - Digestion is also controlled by the secretion of organic substances called hormones by the endocrine glands. Each hormone has a specific target organ. The hormones reach the target organ through the blood stream. The hormones contro..

Endocrine System - Hormonal Control - Glands are of two types: Exocrine glands Endocrine glands Exocrine glands are those which pour their secretions into a duct. For example, sweat glands, tear glands, etc. Endocrine glands are those which are richly supplied with blood vessels..

Endocrine System - Hormonal Control - Glands are of two types: Exocrine glands Endocrine glands Exocrine and Endocrine Gland Showing Release of Secretion Exocrine glands are those which pour their secretions into a duct. For example, sweat glands, tear glands, etc. Endocrine glands are th..

Question 1 - Question: The cells in our body that can be over a foot long are _____. 1. muscle cells 2. nerve cells 3. bone cells 4. blood cells Answer:..

Nerve Net of HydraThe nervous system is made up of units called the neurons which relay information by generating electric potential. The endocrine system, on the other hand, is made up of glands that secrete chemicals called the hormones. They are secreted into blood that carries them to..

>A bunch of neurons together make up a nerve. Based on the types of neurons present, the nerve is called sensory, motor and mixed. The messages are transmitted along the nerves in the form of electrical impulses. These are maintained by the changing concentrations of potassium and sodium ions acros..

Myogenic mechanism helps to control variations of the blood flow to the glomerulus due to fluctuations in blood pressure. An increase in blood pressure makes the wall of the afferent arteriole contract thus reducing the diameter of the arteriole and increasi..

The parathyroids secrete a single hormone called parathormone (PTH).Parathormone and calcitonin from the thyroid gland act antagonistically to regulate the calcium phophorous balance in the blood.Parathormone regulates calcium metabolism and controls the amount of calcium in ..

Hormones are the chemical messengers of the body. They are defined as organic substances secreted into blood stream to control the metabolic and biological activities. These hormones are involved in transmission of information from one tissue to another and from cell to ce..