Which one is the first heart sound ?
- Lubb sound during closure of semilunar valves
- Dupp sound during closure of semilunar valves
- Lubb sound during closure of atrioventricular valves
- Dupp sound during closure of atrioventricular valves
The Correct Option is C
Solution and Explanation
Top Questions on body fluids and circulation
- Match List I with List II:Choose the correct answer from the options given below:
List I
List II
A P wave I Heart muscles are electrically silent. B QRS complex II Depolarisation of ventricles. C T wave III Depolarisation of atria. D T-P gap IV Repolarisation of ventricles. - NEET (UG) - 2024
- Biology
- body fluids and circulation
Match List I with List II.
List I
List II
A P-wave I Beginning of systole B Q-wave II Repolarisation of ventricles C QRS complex III Depolarisation of atria D T-wave IV Depolarisation of ventricles Choose the correct answer from the options given below:
- NEET (UG) - 2023
- Biology
- body fluids and circulation
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Statement I: The coagulum is formed of a network of threads called thrombins.
Statement II: Spleen is the graveyard of erythrocytes.
In the light of the above statements, choose the most appropriate answer from the options given below:- NEET (UG) - 2023
- Biology
- body fluids and circulation
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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.
Read More: Body Fluids and Circulation
Types of Body Fluids:
The different types of body fluids:
Blood
The main components of blood involve;
- Plasma
- Red Blood Cells
- White Blood Cells
- 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