Advertisements
Advertisements
प्रश्न
Give biological reasons for the following statements:
The left ventricle of the heart has a thicker wall than the right ventricle.
Give reasons/explain:
The left ventricle has thicker walls than the right ventricle.
Advertisements
उत्तर
The right ventricle pumps deoxygenated blood only to the lungs, while the left ventricle pumps oxygenated blood to the longest distance in the body; hence, it has thicker walls than the right ventricle.
APPEARS IN
संबंधित प्रश्न
Why is it necessary to know the blood groups before giving transfusion?
What is Diapedesis?
Name the following:
The smallest common blood vessels formed by the union of capillaries.
Give reason, why a matured mammalian erythrocyte lacks nucleus and mitochondria?
Given diagram shows a simple diagram of the circulation of blood in a mamma showing the
main blood vessels, the heart, lungs and body tissues. The blood vessel, labelled 6, contains
deoxygenated blood and the valve leading to it has three semi-lunar pockets.
(a) Name the blood vessels and organs marked by numbers 1 to 8.
(b) What is meant by the term ‘double circulation’ of blood in mammals?
(c) what is diastole?
[There is an “error” in the diagram. According to the usual practice the pulmonary (lung)
circulation is shown upward and the systemic downward, but here it is reversed].
Define the Arteries.
Long answer question:
Describe human blood and give its functions.
Why do we call saliva a digestive juice?
______ WBCs are present per mm3 of blood.
Identify the normal haemoglobin count in human females.
