Which of the following special muscles is the heart made up of?

Which of the following are the upper two chambers of heart?

Which of the following are the lower two chambers of heart?

Which of the following carries blood from the heart to the body organs?

Which of the following carries blood from the body organs back to heart?

Which of the following is the partition that separates the chambers of the heart?

Which of the following forms of blood in our body carries relatively more oxygen?

The flow of blood in the animals having four chambered heart is called

One complete contraction and relaxation of the heart is called

The flow of blood in a fish having two chambered heart is called

Which of the following forms of blood in our body carries relatively lesser oxygen?

The heart beat in a young healthy person should be about

Which of the following instruments is used to measure blood pressure?

The minimum pressure in the arteries during the relaxation phase of heart is called

The maximum pressure at which the blood leaves the heart through the main artery during contraction phase is called

The normal value of blood pressure is

Which of the following processes is used to remove nitrogenous toxic wastes from the body of an organism?

The plants secrete their wastage in the form of

Which of the following processes is used to clean the blood of a person by separating the waste substances like urea from it?

The kidneys of human beings are a part of the system for

Circulation of blood from the heart to the rest of body and back to heart in humans is called

The amphibians and reptiles have a

How many ureters are there in human beings?

Circulation of blood from the heart to lungs and back to heart in human is called

Kidney is made up of a large number of excretory units called