Systems Of The Human Body Read Now

system of the human body
Human anatomy detail of shoulder.

Systems Of The Human Body

System of the human body is the combination of the different parts and components of the various organs of the body, that form together to perform the different functions of the body of human. Just like a computer system.

There are basically nine ( 9 ) systems in the human body as follows;

Circulatory/ Cardiovascular system

The Human Circulatory System
  1. Circulate blood around the body via the heart, arteries  and veins.
  2. delivering oxygen and nutrients to organs and cells and carrying their waste products away.
  3. Keeps the body’s temperature in a safe range.

Digestive System

The Digestive system of man

This system Of the body deals with the breaking down of large food particle, to simple and absorbable once.

Digestion start from mouth, ( Mechanical Digestion ) and ends at the small intestine.

Organs Of Digestion

  1. Mouth—breaks down food particle to smaller once using teeth and tong

2. Small intestine —— by enzymes and gastric juice

3. Liver ——by acid bile pigment

4. stomach—-by enzymes

5. esophagus—–is a passage of food particles

Excretory System

Excretory System of man

This system deals with the removal of waste of the metabolic products from the body, to ensue the safety and well being of the entire system of the human body.

Organs of Excretion And What They Excrete

KidneyExcrete urine, Nitrogenous compound, ammonia
LungsRemove water vapor, carbon dioxide
Liverproduce bile pigment and bile salt
Skinexcrete excess salt, nitrogenous compound and other related chemicals
BladderIt hold urine and ensure the removal of that urine out of the body through the urethra
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Respiratory System

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This system, deals with breathing in living organisms. Respiration is the breathing in of oxygen and breathing out of carbon dioxide via the mouth and nose.

Organs Of respiration

MouthThrough the mouth air passes to the lungs
Nose/Nostrilsalso air passes through the nose to the lungs
Lungs Is a structure, that hold the breathed air in the alveoli
Trachea ( wind pipe )Through which air passes to the lungs
Bronchi– plural, singular –-BronchusThey are the branches of trachea, that hold the alveoli, and the alveoli are tiny sacks holding our breathed air
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Reproductive system

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This system, deals with the producing new offspring,. That is our younger once, through our parent.

Organs Of Reproduction

In Woman: We have;  the ovaries, the fallopian tubes, the uterus, the cervix, and the vagina.

In Man: It includes the prostate glands, the testes, and the penis.

The reproductive system makes life possible. An individual does not need the system to survive, but the human race does. Without the reproductive system, babies would not be born to grow into adults to give birth to more babies.

All living things on the planet reproduce more of their own kind, and they do so in one of two ways. Some organisms reproduce by splitting in half or by growing buds that eventually turn into copies of the original organism. This method, in which a single organism reproduces itself, is called asexual reproduction. The reproductive

Endocrine System

is a network of glands consisting of endocrine cells that produce hormones in the body. It uses hormones to control and coordinate your body’s metabolism, energy level, reproduction, growth and development, and response to injury, stress, and mood. The following are integral parts of the endocrine system:

Hypothalamus.

 The hypothalamus is located at the base of the brain, near the optic chiasm where the optic nerves behind each eye cross and meet. The hypothalamus secretes hormones that stimulate or suppress the release of hormones in the pituitary gland, in addition to controlling water balance, sleep, temperature, appetite, and blood pressure.

Pineal body. 

The pineal body is located below the corpus callosum, in the middle of the brain. It produces the hormone melatonin, which helps the body know when it’s time to sleep.

Pituitary;

The pituitary gland is located below the brain. Usually no larger than a pea, the gland controls many functions of the other endocrine glands.

Thyroid and parathyroid. 

The thyroid gland and parathyroid glands are located in front of the neck, below the larynx (voice box). The thyroid plays an important role in the body’s metabolism. The parathyroid glands play an important role in the regulation of the body’s calcium balance.

Thymus.

 The thymus is located in the upper part of the chest and produces white blood cells that fight infections and destroy abnormal cells.

Adrenal Gland;  

An adrenal gland is located on top of each kidney. Like many glands, the adrenal glands work hand-in-hand with the hypothalamus and pituitary gland. The adrenal glands make and release corticosteroid hormones and epinephrine that maintain blood pressure and regulate metabolism.

Pancreas;  

The pancreas is located across the back of the abdomen, behind the stomach. The pancreas plays a role in digestion, as well as hormone production. Hormones produced by the pancreas include insulin and glucagon, which regulate levels of blood sugar.

Ovary. 

A woman’s ovaries are located on both sides of the uterus, below the opening of the fallopian tubes (tubes that extend from the uterus to the ovaries). In addition to containing the egg cells necessary for reproduction, the ovaries also produce estrogen and progesterone.

Testis. 

A man’s testes are located in a pouch that  hangs suspended outside the male body. The testes produce testosterone and sperm.

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