MEDIUM
10th Tamil Nadu Board
IMPORTANT
Earn 100
State whether true or false. If false, write the correct statement.
Initiation and stimulation of heart beat take place by nerves.
Important Questions on Transportation in Plants and Circulation in Animals
MEDIUM
10th Tamil Nadu Board
IMPORTANT
State true or false. If false, write the correct statement.
All veins carry deoxygenated blood.
MEDIUM
10th Tamil Nadu Board
IMPORTANT
State whether true and false. If false, write the correct statement.
WBC defend the body from bacterial and viral infections.
MEDIUM
10th Tamil Nadu Board
IMPORTANT
State whether true or false. If false, write the correct statement.
The closure of the mitral and tricuspid valves at the start of the ventricular systole produces the first sound ‘LUBB’.
MEDIUM
10th Tamil Nadu Board
IMPORTANT
What is the shape of RBC in human blood?
MEDIUM
10th Tamil Nadu Board
IMPORTANT
Why is the colour of the blood-red?
MEDIUM
10th Tamil Nadu Board
IMPORTANT
Which kind of cells are found in the lymph?
MEDIUM
10th Tamil Nadu Board
IMPORTANT
Name the heart valve associated with the major arteries leaving the ventricles.
MEDIUM
10th Tamil Nadu Board
IMPORTANT
Mention the artery which supplies blood to the heart muscle.
