What Are the Organ Systems of the Human Body?

The organ system of the body can be referred to as the individual group of different parts of the human body that works in skillful and effective interaction with each other to maintain the life in the human body with adequate management for optimum functionality.

It is highly essential to keep the body healthy so as to maintain more efficient functionality with the body system. Meanwhile, one can’t take care of what you don’t have knowledge about, that is why you need to carefully read through.

The Organ Systems

The human body comprises of several distinct organ systems that function together as a single unit. Organ systems are classified based on their fit among different hierarchical levels of the organs and the position on the body. There are 11 Body Systems present in the human body. The following is listed with detailed guidance to expand your scope of knowledge.

1.  The Circulatory System

The Circulatory System transport blood all through the body to establish sufficient circulation and immunity in the body.  This activity is performed by means of the heart, the veins and arteries to deliver oxygen and other nutrients to the cells and the organs of the body as they purify it by taking all the waste products away.

The circulatory system is also referred to as cardiovascular system; the cardiovascular organs include.

  • Heart
  • Blood vessels
  • Blood

2.  The Digestive System

The digestive system makes use of the nutrients of the food content and then eliminates wastes from the body as it breaks down food polymers into the smaller particle to provide energy for the body. The Digestive Organs include.

  • Mouth
  • Esophagus
  • Pharynx
  • Stomach
  • Large intestine
  • Small intestine
  • Rectum
  • Anal canal

3.  The Endocrine System

The endocrine system secretes chemicals into the bloodstream through the regulations, coordination and the general control of the body functions. This secretion aids in controlling the metabolism, mood and emotions, growth, and development in the human body. The Endocrine System includes.

  • Adrenals
  • Pituitary gland, Pineal gland
  • Parathyroid
  • Pancreas (islet tissue)
  • Hypothalamus
  • Thyroid gland
  • Thymus
  • Testes (male)
  • Ovaries (female)

4.   The  Integumentary System

This system produces vitamins and hormones to prevent dehydration, protects the internal structures and then stores fat to keep the body away from any external damage. The Integumentary System includes.

  • Skin
  • Sweat gland
  • Sense receptors
  • Nails
  • Hair
  • Oil Glands

5.  The Muscular System

This system enables movement and then maintains the posture to facilitate movement through the contraction of muscles. This system enhances the body relax and stretch when walking or running.

6.  The Nervous System

The nervous system is the control center of the human body. It is made up of the brain, spinal cord, and nerves. It receives and interprets stimuli and transmits impulses to organs. Your brain uses the information it receives to coordinate all of your actions and reactions. The Nervous System includes.

  • Brain
  • Spinal cord
  • Nerves

7.  The Reproductive System

This system enables the body’s ability to produce offspring through sexual reproduction, it also ensures the growth and the development of offspring after reproduction. The Reproductive Organs includes.

Male organs:

  • Testes
  • Scrotum
  • Penis
  • Vas deferens
  • Prostate

Female organs:

  • Ovaries
  • Uterus
  • Vagina
  • Mammary glands

8.  The Respiratory System

This system makes provision for the body with oxygen by the means of gas exchange between external air from the environment and the gases in the blood. The Respiratory organs include.

  • Lungs
  • Larynx
  • Pharynx
  • Nose
  • Trachea
  • Bronchi

9.  The Skeletal System

This system gives the body shape and form through its supports and protection. The Skeletal System structures include:

  • Bones
  • Joints
  • Ligaments
  • Tendons
  • Cartilage

10.The Urinary System

This system eliminates waste to maintain balance in the body. The urinary organs include.

  • Kidneys
  • Urinary bladder
  • Urethra
  • Ureters

11.The Lymphatic system (Immune system)

This system guards the body against disease-causing agents. Lymphatic organs include.

  • Lymph vessels
  • Lymph nodes
  • Thymus
  • Spleen
  • Tonsils


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