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प्रश्न
Define the Circulatory system.
Define the following term:
Circulatory system
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उत्तर
The circulatory system is a transport system moving substances throughout our body with the help of blood.
संबंधित प्रश्न
Give biological reasons for the following statements:
The left ventricle of the heart has a thicker wall than the right ventricle.
the Biological/technical term for The vein which drains the blood from the intestine to the liver.
Name the following:
The blood vessel which supplies blood to the liver.
The cells in our blood which destroy disease-causing germs are ______.
Given below is certain structure, write the term for the functional activity.
Erythrocytes and …………………………………
Name the following:
The artery which carries deoxygenated blood.
what is Lymph nodes?
What is the function of spleen?
Given below is a highly schematic diagram of the human blood circulatory system.
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- Which part (state the number) represents the heart? Give reason in support of your answer.
- Which numbers represent the following, respectively?
Aorta Superior vena cava Hepatic portal vein Renal Vein Pulmonary artery Stomach
Given alongside is a diagram of human heart showing its internal structures. Label the parts marked 1 to 6, and answer the following questions.

- Which types of blood is carried by the blood vessel marked 2?
- Name the main artery which takes the blood from heart to different parts of the body?
- Which chamber of the heart receives deoxygenated blood from the body?
- Which chamber of the heart receives oxygenated blood from the lungs?
True or false:
People with blood group ‘O’ are called universal recipients
Describe the functions of the: Heart
Why is a person having blood group AB called universal recipient and a person with blood group O called a universal donor?
Name the Following
Oxygen is transported by the blood in the form of
Long answer question:
Describe human blood and give its functions.
Explain the main parts of the circulatory system.
Analogy
Arteries : Carry blood from the heart:: _________ :carry blood to the heart.
______ is a granulocyte.
Which of the following is TRUE regarding leucocytosis?
Assertion (A): RBCs help in the transport of respiratory gases.
Reason (R): The cytoplasm of RBCs contains the respiratory pigment Haemoglobin.

