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Twelve Human Organ Systems and Functions

- 11:17:00 PM
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Organ system is a group of organs that work together for one purpose. Each organ systems perform functions of the body to keep the human body alive. All organ systems are classified as vital because if there is damage or stop functioning of one organ system, then another organ system will also be affected and can even lead to death.

Humans have several organ systems. Here are a variety of organ systems in humans and their functions. Immediately, we see the first one:

Twelve Human Organ Systems and Functions

#1. Digestive System in Humans

The digestive system is a set of integrated organ that processes food, outlining the substances contained in food, and absorb the juices and nutritional foods, foods that are beneficial for the body.

Human digestive system consists of mouth, esophagus, stomach, intestine 12 fingers, jejunum, ileum, colon, and anus.

In addition, there are several other organs involved in the digestive system of the liver and pancreas. The main function of the digestive system is to digest food. Here are some of the functions of the digestive system in humans:

  • Getting food into the body.
  • Destroy food.
  • Breaking the nutrients in foods that are easily digested.
  • Absorb food.
  • Rottenness and remove the leftovers.

#2. The system Excretion in Humans

Excretory system is the organ system that dump excess body fluids and useless thus preventing the body from poisoning or damage. Excretory systems also remove waste products. Excretory system in humans consists of the kidneys, lungs, skin, and liver (liver). Here is the function of the excretory system in humans:
Remove substances or liquids that are not needed by the body.
  • Make waste products.
  • Prevent the beneficial substances out of the body.
  • Controlling the concentration of solids and liquids in the body.
  • Controlling body temperature (sweat on the skin).

#3. Human Respiratory System

The respiratory system in humans is the organ system that regulates the process of human respiration. Respiration is the process of exchange of oxygen and carbon dioxide from the outside and inside of the body. The organ most responsible for human respiratory system is the lung. But apart from that, there are other organs such as the nose, throat, and trachea. Here is the function of the respiratory system in humans:
  • Help the body get oxygen from the air outside the body.
  • Excrete waste products such as carbon dioxide and water vapor.
  • Filter, temperature control, and humidify the incoming air.
  • Prevent disease and foreign substances enter the body through the respiratory tract.

#4. Circulatory System in Humans

The circulatory system is an organ system that makes the blood circulating in the body so that it can perform its function as a carrier of nutrients, oxygen, carbon dioxide, hormones, fight disease, regulate temperature and pH, and regulate homeostasis. The circulatory system in humans consists of the blood, heart, and blood vessels (arteries, veins, and capillaries). Here is the function of the circulatory system in humans:
  • Circulate blood throughout the body.
  • Regulate homeostasis.
  • So that body heat spreads evenly.
  • Also serves as immunity.

#5. Frame System in Humans

Motion system is a skeleton of 300 bones at birth, and 206 bones in adulthood. Human skeleton consists of several major parts such as the skull, spine, chest and ribs, collarbone, shoulder blade, arm bones, hand bones and foot bones. The skeletal system has many other functions not only as a human skeleton. Here are some of the functions of the skeletal system in humans:
  • Providing support as they move and do activities.
  • Give the body shape.
  • Protecting the vital organs, especially the body and head.
  • Storing a wide variety of minerals the body.
  • Weight-bearing body.
  • Produce red blood cells.

#6. Nervous System in Humans

The nervous system is the part of the human body that coordinates the body's response to its environment and gives a signal to the body to move. The whole nervous system in humans are controlled in the central nervous system that are in the human brain. The central nervous system regulates the response of motion both regular movement and reflexes. The nervous system consists of nerve cells. One nerve cell consists of several parts such as dendrites, cell body, nucleus, neurites, the myelin sheath, Schwann cell, nodes of Ranvier, and synapses. Here are some of the functions of the nervous system in humans:
  • Receiving stimulation of the senses.
  • Delivering stimuli (impulses) to the central nervous system.
  • Responding to that stimulus.
  • Controlling the movement of the body conscious.
  • Preventing the body exposed to hazards (such as heat and sharp objects) with a reflex.

#7. Endocrine System in Humans

The endocrine system is a collection of glands organisms that secrete hormones directly into the blood through the circulatory system to be brought to the organ of interest. Some of the glands in the endocrine system in humans is the pituitary gland, pineal gland, pancreas, hypothalamus, adrenal glands, testicles, ovaries, thyroid gland and parathyroid glands. Here are some of the functions of the endocrine system in humans:
  • Produces hormones and distribute them to other organs / tissues of interest through the circulatory system.
  • Stimulating the activity of the body
  • Controlling the activity of the body.
  • Regulate metabolic processes
  • Stimulate tissue growth

#8. The Human Immune System

The immune system or the immune system is the center of the body's defense system that protects the body from disease. Constituent organs of the immune system in humans is bone marrow, thymus, spleen, lymph nodes, adenoids and tonsils. Whereas the cells that act as the body's means of defense are T cells, natural killer cells, B-cells, granulocytes, macrophages, and dendritic cells. Here are some of the functions of the immune system in humans:
  • It protects the body from germs.
  • Eliminate dead cells for tissue regeneration.
  • Destroy foreign substances in the body.
  • Neutralize toxins released foreign microorganisms.

#9. Reproductive System in Humans

The reproductive system is a system of internal fertilization by the meeting between male and female genital organs. The main purpose of the reproductive system is to produce offspring. Reproductive system in men and women differently. Male reproductive system consists of testes, epididymis, vas deferens, seminal vesicles, Cowper's glands, urethra, penis and scrotum. While female reproductive organs consist of the ovaries, oviduct, fallopian tubes, uterus, and vagina. The function of the reproductive system in humans are:
  • To breed.
  • As a place for women fetal growth.
  • Produce male sex cells (sperm) or female (egg)

#10. Sense System in Humans

Sensory system is a receiver system stimuli from the surrounding environment. The system senses separated by the nervous system because the nervous system is the conductor and processing system stimulation. Humans have five senses (senses) the vision (eye), hearing (ears), feeling (skin), taste (tongue), and olfactory (nasal). Here is a sensory system function in humans:
  • Recognize the surrounding environment.
  • Prevents the body from harm.
  • Help interact with the surrounding environment.
  • Helping other organs. As the tongue helps in swallowing and help direct the movement of the human skin.

#11. Muscle System in Humans

The muscular system is the drive system of bones and organs. Muscles controlled by the brain through the nervous system, both consciously and unconsciously. If the system senses are recipients of stimulation and brain processing of stimuli, the muscular system is an effector or executing the response of that stimulus. Muscles consist of muscle cells. Various muscle cells include striated muscle, smooth muscle, and cardiac muscle. Here is a function of the muscular system in humans:
  • As executor of a stimulus response.
  • Moving to move the bones.
  • Helping other organs carry out their duties.
  • Forming posture.

#12. Integumentary System in Humans

Integumentary system is the organ system that protects the body from various kinds of damage such as loss of fluids or abrasion from the outside. Integumentary system in humans consists of skin and enhancements (including hair and nails). The following integument system function in humans:
  • Working as waterproof.
  • Protecting network in it.
  • Excrete wastes.
  • Regulates body temperature.
  • Saving water and fat.
  • As a place to stick nerve receptors to detect pain, palpation, pressure, and temperature.
  • To synthesize vitamin D.
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