Tag: human lymphatic system

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Multiple choice biology soldiers of defense human lymphatic system lymph and its function lymph and tissue fluid

The graveyard of RBC is

  1. Liver

  2. Gall bladder

  3. Bone marrow

  4. Spleen
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Spleen is one of the most important organ of the body. Here are few of its functions
1) In fetal and some part of the neonatal period the spleen works not only as the storehouse of red blood cells or RBCs , but also is one of the important organ for hematopoiesis I.e., the formation of new RBCs. 
2) It also acts as a storehouse of various types of white blood cells or WBCs which are used to fight against various infections like pneumococcus, meningococcus etc.
3) It is also known as graveyard of RBC as old and damaged RBC are destroyed in spleen. 

Multiple choice biology soldiers of defense human lymphatic system lymph and its function lymph and tissue fluid

A malfunction of the lymph nodes would most likely interfere with the

  1. Release of carbon dioxide into the lymph.

  2. Filtering of glucose from the lymph.

  3. Release of oxygen into the lymph.

  4. Filtering of bacteria from the lymph.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
The lymphatic system not only regulates fluid amounts in the blood but also helps to fight infection. The lymph nodes located throughout our bodies, produce white blood cells and filter harmful bacteria, which is why they tend to enlarge when we have an infection.
Therefore, the correct answer is option D.
Multiple choice biology soldiers of defense human lymphatic system lymph and its function lymph and tissue fluid

Which of the following is not a function of spleen?

  1. It produces lymphocytes

  2. It destroys worn out RBCs, so also known as graveyard of RBCs

  3. In an embryo, it produces RBCs

  4. None of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Functions:- 
1. It acts like a blood reservoir. In an emergency such as haemorrhage, physical or emotional stress, or in carbon monoxide poisoning, the spleen releases the stored blood into the blood stream.
2. It produces lymphocytes.
3. It destroys worn out RBC, so also known as graveyard of RBC.
4. In an embryo it produces RBC.

Multiple choice biology soldiers of defense human lymphatic system lymph and its function lymph and tissue fluid

Which of the following is not a function of lymph?

  1. Supplies oxygen and prevents spreading of infections

  2. Returns proteins to the blood

  3. Absorbs vitamins and minerals

  4. None of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Lymph supplies oxygen, nutrients, hormones, etc to the cells and removes metabolic wastes from the cells. It destroys microorganisms in the lymph nodes and prevents spreading of infections. It absorbs and transports fat, fat soluble vitamins and minerals from intestine. It maintains the volume of blood. It returns proteins and fluids to the blood. 

Thus, the correct answer is option D.

Multiple choice biology soldiers of defense human lymphatic system lymph and its function lymph and tissue fluid

Which of the following are circulating fluids of the body?


a) Blood         b) Hormones       c) Lymph

  1. a, b

  2. b, c

  3. a, c

  4. All of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

All such functions that need transport are performed by the two circulating fluids the blood and the lymph. Beside transport, These fluids has some other functions also.