Major Organ System in Our Body

Our body is made up of different types of organs and it’s function are unique  and crucial. So, we learned about some major organ and it’s function.

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1.circulatory system :

Circulatory system(cardiovascular system)  is a network of blood, blood vessel and heart it’s supplies to the oxygen, nutrients and hormones to body tissues and cells and remove unnecessary waste from body.

Main organ are :Heart, lungs, artery and vessels.
Blood vessels carry blood from and towards heart .

2.Digestive system :

Digestion and processing food with salivary glands,esophagus,stomach,liver,gallblader,pancreas,intestines,rectum and anus.

The GI tract always release hormones to help regulate the digestive process.
These hormones including gastric, secretion, cholecystokinin, and gremlin,  are mediated through either intracrine, or autocrine mechanism.

3.Endocannabinoid system :

Neuromodulatory lipids and receptors involved in a variety of physiological processes including appetite, pain sensation, mood, motor learning, synaptic plasticity and memory.

4.Endocrine system :

Communication within the body using hormones made by endocrine gland such as the hypothalamus, pituitary or pituitary gland, pineal body or pineal gland, thyroid, parathyroid, and adrenal or adrenal gland.

5.Immune system :

The system that fights off disease :,composed of leukocytes, tonsils,adenoids,thymus,and spleen. Integumatary system : skin, hair, and nails.

6.Lymphatic system :

Structures involved in the transfer of lymph between tissue and the blood stream, the lymph and the nodes and vessels that transport it.

7.Musculosceletal system :

Muscle provide movement and a skeleton provides structural support and protection with bones, cartilage, ligaments and tendons.

8.Nervous system :

Collecting, transferring and processing information with brain, spinal cord and nerves.

Nervous system play role in:

Control voluntary (physiological body processes that you do on your own like moving your arms)and involuntary (those you do without having to tell your body to do it like breathing) acts .

Controls balance and muscle coordination.

Basic motor skills.

Thoughts and creativity.

Regulates circulation and respiration.

Initiating activity in the gland and muscles.etc…

In short, brain control your body functions.

9.Reproductive system :

The sex organs : in the female, ovaries, Fallopian tubes, uterus, vagina mammary glands and in the male : testicles, vas deference, seminal vesicles, prostate and pens.

10.Respiratory system :

The organs used for breathing, the pharynx, larynx, trachea, bronchi, lungs and diaphragm.

The respiratory system is the biological system that introduces respiratory gases to the interior and performs gas exchange.
Molecules of oxygen and carbon dioxide are passively exchanged by diffusion ,between the gaseous external environment and the blood. This exchange process occur in the alveolar region of the lungs.

11.Urinary system :

Kidneys, ureter, bladder and urethra involved in fluid balance, electrolytes balance and excretion of waste products. 

12.Vestibular system :

Contribute to our balance and our sense of spacial orientation. 


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