Heart Attack

Q.

How many layers in walls are there in the human heart?

Q.

What are the parts of the human heart?

Q. Describe the structure of the human heart with the aid of a well labelled diagram.
(8 Marks)

Q.

Choose the odd one out.

1. right auricle

2. left auricle

3. left ventricle

4. aorta

Q.

Name the lower chamber of the heart.

Q.
In the given diagram, which of the following contract together? Select the correct options.

1. A and B
2. B and D
3. C and D
4. A and C