Question

The following circulating system contains colourless fluid, bathes all the tissues and has white blood cells

• A. Systemic
• B. Pulmonary
• C. Blood groups
• D. Lymphatic

Answer 1

The correct option is D

Lymphatic

Correct answer: D.

Explanation for correct answer:

1. A lymphatic system comprises a network of vessels, organs and tissues that work together to move watery fluid which is called lymph back into the circulatory system.
2. The lymph is the colourless, interstitial fluid that comprises white blood cells(especially lymphocytes), less calcium, few blood proteins, less phosphorus, and high glucose concentration.

Explanation for incorrect answers:

Option A:

1. Systemic circulation is blood circulation that occurs between the heart and body tissues.

Option B:

1. Pulmonary circulation is blood circulation that occurs between the heart and lungs.

Option C:

1. There are four types of blood groups i.e A, B, AB and O.
2. It was first introduced by Landsteiner as the ABO blood group system.