Parts of the Body and their Functions

Parts of the Body and their Functions

Parts of the Body and their Functions, This body of human consist of a number of different parts and contain a lot of different things. Generally we discuss parts of body or system of body but each part and system have a some of other parts, systems or portions.

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Which play a vital role in our body parts or system. Suppose a car has different parts. If we discuss different parts, we must ignore some parts which we consider very tiny functions just like the body but we ignore mud flapper or mud flapper nut bolts. Similarly in the human body there are a lot of tiny functional parts which ignore. We discuss here different parts and their function.

Major Part of Body and Their Functions

Bones or Skeletal Parts of Body and their Functions:

Humans consist of vertebrates, animals consist of  vertebral column or backbone. They believe a sturdy internal frame that’s centered on a prominent spine. The human skeleton consists of bones, cartilage, ligaments and tendons and accounts for about 20 percent of the weight. The living bones in our bodies use oxygen and provides off waste products in metabolism.

They consist of  active tissues that use nutrients, need a blood supply and alter shape or remodel in response to variations in mechanical stress. Bones provide a rigid framework, referred to as the skeleton, that support and protect the soft organs of the body. The skeleton helps the body against the pull of gravity. the massive bones of the lower limbs support the trunk when standing. The skeleton also protects the soft body parts.

The fused bones of the cranium surround the brain to form it less susceptible to injury. Vertebrae surround and protect the medulla spinalis and bones of the skeletal structure help protect the guts and lungs of the thorax. Bones work along side muscles as simple mechanical lever systems to supply body movement. Bones contain more calcium than the other organ. The intercellular matrix of bone contains large amounts of calcium salts, the foremost important being phosphate.

When blood calcium levels decrease below normal, calcium is released from the bones in order that there’ll be an adequate supply for metabolic needs. When blood calcium levels are increased, the surplus calcium is stored within the bone matrix. The dynamic activity of transporting and storing calcium runs on an almost continuous basis.

Lungs is Parts of Body and their Functions :

Basically lungs control the respiratory or breathing of human. our  respiratory system is that network of organs and tissues that assist us breathe. This technique helps our body absorb oxygen from the air so our organs can work. It also cleans waste gases, like CO2 , from your blood. Common problems include allergies, diseases or infections.

The breathing system is that the network of organs and tissues that assist you breathe. It includes your airways, lungs, and blood vessels. The muscles that power your lungs also are a part of the systema respiratorium . These parts work together to maneuver oxygen throughout the body and clean out waste gases like CO2 .

The breathing system has many functions. Besides helping you inhale (breathe in) and exhale (breathe out), it:

Parts of the Body and their Functions
Parts of the Body and their Functions
  • Allows you to speak and to smell.
  • Brings air to blood heat and moisturizes it to the humidity level your body needs.
  • Delivers oxygen to the cells in your body.
  • Removes waste gases, including CO2 , from the body once you exhale.
  • Protects your airways from harmful substances and irritants.

Heart :

The heart may be a muscular organ that pumps blood continuously throughout the body. it’s comprises 4 chambers, the proper and left atrium of the heart and therefore the right and ventricle .

The chambers of the guts work together by alternately contracting and relaxing to pump blood throughout the guts . To accomplish this, the guts uses an electrical system to trigger a heartbeat. Essentially, the electrical system is the power source that creates all the heart’s functions possible.

Blood vessels fall in and out of the chambers, which distribute and receive blood throughout the body. The four chambers are connected by four valves — the tricuspid, pulmonic, mitral and aortic valves. These valves work like one-way doors, allowing blood to flow in just one direction.

Blood Circulation:

Blood Circulation imageAs the guts beats, it pumps blood through a system of blood vessels called the cardiovascular system . The blood that these vessels carry is important for the body to function. Blood carries oxygen and nutrients to your body’s tissues, assists within the removal of CO2 and waste products and promotes the general health of the body’s tissues. There are three main sorts of vessels that structure this system:

Parts of the Body and their Functions
Parts of the Body and their Functions
  • Arteries
  • Veins
  • Capillaries

Arteries carry oxygen-rich blood faraway from the guts to the body’s tissues. Veins take oxygen-poor blood back to the guts . Capillaries are small thin blood vessels that connect the arteries and therefore the veins.


The  biggest organ inside the body is known as liver. it’s located below the diaphragm within the right upper quadrant of the abdomen . An adult’s liver weighs approximately 3 pounds and extends approximately from the proper 5th rib to the lower border of the skeletal structure.

The liver is separated into a right and left lobe, separated by the ligament . The proper lobe is far larger than the left lobe. The working cells of the liver are referred to as hepatocytes. Hepatocytes have a singular capacity to breed in response to liver injury.

Liver regeneration can occur after surgical removal of some of the liver or after injuries that destroy parts of the liver. Although the ability of the liver to react to repair and wreck itself is fabulous, repetitive insults can produce liver failure and death.The liver may be a metabolically active organ liable for many vital life functions. the first functions of the liver are

Parts of the Body and their Functions
Parts of the Body and their Functions
  • Bile production and excretion
  • Excretion of bilirubin, cholesterol, hormones, and drugs
  • Metabolism of fats, proteins, and carbohydrates
  • Enzyme activation
  • Storage of glycogen, vitamins, and minerals
  • Synthesis of plasma proteins, like albumin, and clotting factors
  • Blood detoxification and purification.


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