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प्रश्न
Name the following:
The structure that holds the heart valves in position.
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उत्तर
Pacemaker
संबंधित प्रश्न
Describe the function of the heart.
Why is it necessary to know the blood groups before giving transfusion?
MULTIPLE CHOICE TYPE:
(Select the most appropriate option)
The valve present between the right atrium and the right ventricle is the
(a) tricuspid valve
(b) bicuspid valve
(c) semi-lunar valve
(d) mitral valve
Name the following:
The kind of blood cells which can squeeze out through the walls of one category of blood vessels.
Give reason, why a matured mammalian erythrocyte lacks nucleus and mitochondria?
Find the odd one out.
Explain the following:
Why is the closed circulatory system more efficient than the open system?
Multiple choice questions. Tick ( ✓ ) the correct choice:
The four blood groups in humans are
Name the Following
The blood plasma from which fibrinogen has been removed.
Identify the function of the erythropoietin hormone produced by kidney cells.
