Human Circulatory System

A person eats food rich in salt, fats, and cholesterol, what would be the effect of such a diet on the circulatory system?

What are the precautions need to be taken to prevent circulatory disorders?

The pulse rate _____ during exercises.

Why the pulse rate changes during exercise?

What is the contribution of Erasistratus to the circulatory system?

Name the scientist who first demonstrated the function of heart and the complete circulation of the blood.

Diastole is when the heart muscle

It occurs when the heart contracts to pump blood out.

Explain the effects of stroke.

In the systemic circulation, oxygenated blood entering the left atrium is pumped to the left ventricle through the mitral valve and then to all parts through the _____.

What is double circulation? Explain the process of double circulation in humans.

Describe the structure of heart? Explain how it works.

Find out how oxygen and digested food reach the body cells?

RBCs are also called _____.

Why WBCs are always irregular in shape?

Give a reason for the given statement: 

White blood cells squeeze through walls of blood vessels.

RBCs are red due to the presence of a pigment _____

Cardiac muscles are _____ in nature. 

Choose the correct word for the following.       

The heart, blood and blood vessels are parts of this system: _____ (Respiratory system/Circulatory system/Excretory system/Digestive system)

Which parts act like doors to control blood flow in the heart?