
Solve the following riddle. Choose your answer from the pictorial options.
Doctors use me to listen to the heartbeat. What am I?


Important Questions on Transportation in Animals and Plants


Figure below reflects the blood circulation system in the human body. Which of the path contains oxygenated blood.

Choose the ODD one out from the following terms given and name the CATEGORY to which the others belong:


Choose the correct answer from the four options given below:
Agranulocytes are:

Suggest some precautions to avoid cardiac problems.

Draw the diagram showing the sectional view of the human heart. Label the following parts.
(i) Aorta
(ii) Chamber of the heart that receives deoxygenated blood.



(v) Pulmonary semilunar valve

Give appropriate biological or technical terms for the following:
The relaxation phase of the heart.







Choose the correct answer from each of the four options given below:
A muscular wall is absent in:

Given below are certain groups of terms. In each group, the first pair indicates a relationship between the two terms. Rewrite and complete the second pair on a similar basis.
Brain : Meninges :: Heart : _____.

