Organs on Left Side of Body| Their List and Functions

Organs on the left side of body are those organized below the thoracic cage or within in the main body.

The human body when divided into two halves along the vertical axis, the organs can be classified as those one left and right side of the column.

To the left of the vertebral column, there are few organs of the body.

Some are located within the abdomen i.e. near the digestive system while others are on the top near the lungs,

Their arrangement is designed by nature to carry out the body physiology efficiently.

Organs on Left Side of Body

  1. Heart
  2. Stomach
  3. Pancreas
  4. Spleen
  5. Kidney (left)
  6. Lung (left)
  7. Ovary (left in woman)
  8. Testis (left one in adult male)
  9. Eye (left)
  10. Ear (left)
  11. Adrenal gland
  12. Salivary glands

Organs on Left Side of Body

Heart: This appears to be at the center of the body. But most of it is localized to the left of the body.

Stomach: The esophagus travels through the center of the body. But at the point of the stomach, the gut moves to the left side of the axis. So, the stomach is positioned on the left of the body.

Pancreas: This is the organ present near the stomach. Pancreas acts as both an endocrine and exocrine gland. By its exocrine function, it helps in digestion by the release of digestive enzymes. By its endocrine function, it controls blood glucose levels.

Spleen: This is an organ of the immune system. It performs the functions like formation and destruction of blood cells, blood storage. Old red blood cells are mostly destroyed here after 120 days of their life span.

One of the organ pairs located on left side.

Kidney: As we know, there is a pair of kidneys in our body. One is located on the left side of the vertebral column. The other is on the right side. This is connected to urinary bladder through the left ureter.

Lung: These are a pair of balloon-like structures with air in them. One is located on the left side and is part of the respiratory system. It helps in exchange of gasses in the body from the air.

Ovary: A pair of ovaries are located on each side of the body in the woman. They help in the production of ova the female gamete.

Tests: On the left side of the body, one of the testes is present in the scrotum.  It helps in the formation of sperms the male gametes.

Eye: One of the two eyes is one the left side of the forehead. So we call it as left eye and helps in vision on the left.

Ear: One ear is one the left side of the head, helping in hearing and body balance.

Adrenal gland: There are a pair of adrenal glands each located on a kidney. One of them is located on top of the left kidney.

By Cancer Research UK

This gland releases adrenaline a neurotransmitter and also corticosteroid hormones. The corticosteroids include glucocorticoids and mineralocorticoids.

Salivary glands: In the mouth region, there are 3 pairs of salivary glands. Each jaw, cheek and chin have one of the pair. The three salivary glands are the parotid, sublingual, and submandibular glands. Each gland is located on the left side of the body. Please check the image below.

Image Dana-farber cancer institute

These salivary glands secrete saliva a watery secretion. This keeps the mouth moist and clean. Saliva has an enzyme amylase. This amylase digests the carbohydrates in the mouth to a small extent.

Few organs are present along the vertical axis of the body. These include the uterus, intestine, trachea, esophagus, urinary bladder.

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