Question:

Rh factor is present in

Updated On: Jun 20, 2022
  • All vertebrates
  • All mammals
  • All reptiles
  • Man and Rhesus Monkey
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The Correct Option is D

Solution and Explanation

Rhesus factor is an antigen whose presence or absence on the surface of red blood cells forms the basis o f the rhesus blood group system. The factor was first recognized in rhesus monkeys. Most people possessing these factors are known as $Rh^+$ and the people who lacks this factor are $Rh^-$
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Concepts Used:

Body Fluids and Circulation

Liquid substances in the animal or human body are known as body fluids. The human body consists of about 60-67% body fluids. The chief components of the human body fluids are blood and lymph. Blood comprises a matrix called plasma with blood corpuscles floating in it. The blood cells are white blood cells, red blood cells, and platelets. Lymph consists of lymph cells.

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Types of Body Fluids:

The different types of body fluids:

Blood

The main components of blood involve;

  1. Plasma
  2. Red Blood Cells
  3. White Blood Cells
  4. Platelets

Lymph

A colorless fluid present in the interstitial tissues is lymph. It circulates all over the lymphatic system. It can be described as blood without the RBCs. The exchange of hormones, nutrients, and gases occurs via this fluid. It contains lymphocytes that play a major function in the immune responses of the body.

The movement of blood across the vessels of the body that carries nutrients and gases along with it and removes waste from the different parts of the body is circulation.

Types of Circulatory Systems:

There are two types of circulatory systems:

  • Open Circulatory system
  • Closed circulatory system