Describe in brief, the circulatory system in human beings

Answers (1)
  • Transportation is defined as the movement of substances from one place to another.

  • In humans, transportation is done by the circulatory system.

  • In humans, blood circulatory system is consists of 

    • Blood 

    • Blood vessels 

    • Heart 

  • Circulatory system is responsible for the supply of oxygen, nutrients, removal of carbon dioxide and other excretory products from our body.

  • Blood is a fluid connective tissue and suspended in a fluid medium called plasma. 

  • Components of blood are 

    • RBCs ( Red blood cells)

    • WBCs (White blood cells)

    • Platelets 

  • Function of blood :

    • Blood helps  to transport food, oxygen, carbon dioxide, nitrogenous wastes and salts in the dissolved form.

Oxygen is carried by red blood cells.

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