The function of hypothalamus is to regulate the secretions of hormones from pituitary gland. The adrenal glands make adrenaline hormone. Ledc and medc comparison essay Ledc and medc comparison essay jean brodie fascism essay short essay on war and peace original bradford essay paper floating egg experiment research paper narrative essay thesis statements dissertation sur les passions hume gfc risikomanagement in projekten beispiel essay.
Adrenaline is also known as emergency hormone because it converts glycogen to glucose and provides quick energy. When adrenaline is secreted in large amounts it prepares our body for action. Thymus gland lies in the lower part of the neck and upper part of chest. The adrenaline hormone prepares our body to function at maximum efficiency during emergency situations like danger, anger, excitement, etc.
We will now explain how nerve impulses or messages are transferred from one neuron to another in the nervous system. Its primary functions relate to uterine contraction and trigger for milk secretion.
A neuron or nerve cell has three components: A microscopic gap between a pair of adjacent neurons over which nerve impulses pass when going from one neuron to the next is called a synapse. Similarly, it is the adrenaline hormone which prepares our body to fight an enemy say, a burglar in our house by providing us a lot of energy in a very short time.
Due to this, the nerve impulses or messages through a particular set of neurons can go across only from one side which contains the chemical substance. In vertebrates, the pineal gland occurs on the dorsal side of the brain and secretes a hormone called melatonin.
The units which make up the nervous system are called nerve cells or neurons. One of the hormones secreted by pituitary gland is growth hormone or human growth hormone.
Thymus gland is large in young children but shrinks after puberty or sexual maturity. There are a large number of endocrine glands in the human body. In this way, the adrenaline hormone prepares our body to run away very fast from a frightening object.
The nervous system helps all other systems of our body to work together. Adrenaline hormone is secreted in small amounts all e time but in large amounts when a person is frightened or excited. Erythropoetin stimulates the release of red blood cells R.
Lack or deficiency of insulin may result in diabetes mellitus which is characterized by hy perglycemia high blood sugar level and glycosuria sugar in urine.
The under secretion of thyroid hormone causes myxedema a disease characterized by low metabolic rate, increased plasma cholesterol and mental lethargy. The endocrine system is the internal system of the body that deals with chemical communication by means of hormones, the ductless glands that secrete the hormones, and those target cells that respond to hormones.
Endocrine system generally controls long term activities of target organs as well as physiological processes such as digestion, metabolism, growth, development and reproduction.
Sample essay on the endocrine system. Article shared by. Short essay on central nervous system. The endocrine system works in the following way, a hormone is secreted, it travels from the endocrine gland through the bloodstream to the target cells. Along the way to the target cells, special proteins bind to some of the hormones.
Endocrine System Paper The endocrine system is the accumulation of organs that create hormones that direct digestion system, development and advancement, tissue capacity, sexual capacity, generation, rest, and state of mind, in addition to other things.
Essay on Central Nervous System of a Human ( Words)! Brain: The brain is situated inside the cranium, the bones of which protect it from injuries.
The adult human brain contains more than a thousand million neurons (about 30 billions). A group of endocrine glands which produces various hormones is called an endocrine system. The endocrine system is also called hormonal system.
We will now discuss the endocrine system in humans in detail. In addition to nervous system, the endocrine system also helps in coordinating the activities.Short essay endocrine system