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प्रश्न
Select the correct biological term.
The substances which gives red cells their colour.
विकल्प
Lymphocytes
Red cells
Leucocytes
Plasma
Erythrocytes
White cells
Haemoglobin
Phagocyte
Platelets
Blood clot
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उत्तर
Haemoglobin
संबंधित प्रश्न
Write the differences between open and closed system of circulation
Describe the evolutionary change in the pattern of heart among the vertebrates.
Sino-atrial node is called the pacemaker of our heart. Why?
Conversion of ammonia into uric acid occurs through --------------
Distinguish between mitral valve and semi lunar valve.
What are the heart sounds? When and how are these sounds produced?
Define the following terms and give their location?
Purkinje fibre
Write the features that distinguish between the two.
Open and Closed circulatory system
Write the features that distinguish between the two.
Sino-atrial node and Atrio-ventricular node
Answer the following:
Which part of heart is responsible for initating and maintaining its rhythmic activity?
Answer the following:
What is specific in the heart of crocodiles among reptilians?
In the diagrammatic presentation of heart given below, mark and label, SAN, AVN, AV bundles, bundle of His and Purkinje fibres.
Cardiac activities of the heart are regulated by ______.
- Nodal tissue
- A special neural centre in the medulla oblongata
- Adrenal medullary hormones
- Adrenal cortical hormones
Choose the correct answer from the options given below:
