What percentage of plasma is proteins?

Identify the blood vessel of the heart.

How many chambers are present in the heart of crocodiles?

Which of these occurs during the atrial systole?

The nodal musculature of the heart is auto excitable. True or false?

What is the opening between the left atrium and the left ventricle known as?

Identify the part of the heart.

Mitral valve is present between which of the following?