Body Fluids and...

In humans, blood passes from the vena cava to the diastolic right atrium of heart due to

Which of the following statements is/are incorrect about lymph?
(i) Lymph is colourful as it has haemoglobin but no RBC.
(ii) It contains specialized lymphocytes which are responsible for the immunity of the body.
(iii) Lymph is an important carrier for nutrients and hormones.
(iv) Fats are absorbed through lymph in the lacteals present in the intestinal villi.

Select the correct option regarding the given figure:

In order for the blood to flow from right atrium to left ventricle in mammalian heart, it must flow through 

During the process of blood coagulation, vitamin k helps in

Characteristic features of different blood vessels in the body are shown. What does P,Q and R represent?

In a standard ECG which one of the following alphabets is the correct representation of the respective activity of the human heart?

Which one of the following is incorrect for 'atherosclerosis'?

What is the nature of blood passing through blood vessels A, B, C and D respectively?

Carotid artery supplies