A special system of blood vessel is present in our body exclusively for the circulation of blood to and from the cardiac musculature is called

a. Amphibians and reptiles have a 3 chambered heart with ___ atria and ___ventricle. b. Heart is ___ derived organ and protected by a double walled membranous bag called ____ c. The opening between right Atrium and Right ventricle is guarded by a valve formed of ___ muscular flaps, the ___ valve. d. The wall of ventricle is ____ than atria. e. SAN can generate the maximum number of action potential i.e., ____ mi n^(-1) . therefore it is called _____ f. Atrial systole increases the flow of blood into the ventricles by about ____ percent. g. In ____ all the four chambers of the heart are in a relax state. h. The ____ wave represents the depolarisation of the atria. i. A system of blood vessels is present in our body exclusively for the circulation of blood to and from the cardiac musculature called _____ j. PNA ____ the rate of heart beat and ______

What is the function of blood tissue present in our body?

most of the blood proteins in our body are

most of the blood proteins in our body are

Largest blood vessel in body is

Largest blood vessel of earthworm's body is

Largest blood vessel of earthworm's body is

The muscular blood vessel which keep circulation of blood in earth worm is