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प्रश्न
Name the organ from which oxygenated blood goes into the heart
उत्तर
Lungs
APPEARS IN
संबंधित प्रश्न
Haemoglobin is present in ______ cells.
Explain Pulse
Given below is a diagram of a human blood smear.
Study the diagram and answer the questions that follow:
a) Name the components numbered ‘1’ to ‘4’
b) Mention two structural differences between the parts ‘1’ and ‘2’.
c) Name the soluble protein found in part ‘4’ which forms insoluble threads during clotting of blood.
d) What is the average lifespan of the component numbered ‘1’ ?
e) Component numbered ‘1’ do not have certain organelles but are very efficient in their function. Explain
Put a tick mark (✓) against the correct alternative in the following statement.
Pulmonary vein carries
Multiple choice questions. Tick ( ✓ ) the correct choice:
Human heart has
True or false:
The four blood groups in human beings are A, B, AB and AO
Complete the following sentence with appropriate word:
Beside food, oxygen and waste materials, circulatory system transports ________ to various parts of the body.
The process of keeping the blood flowing continuously throughout the body.
Explain the main parts of the circulatory system.
Assertion (A): RBCs help in the transport of respiratory gases.
Reason (R): The cytoplasm of RBCs contains the respiratory pigment Haemoglobin.
