Which of the 4 chambers in human heart has the thickest wall?

 what are the functions of circulatory system?

 what is the function of 

1) Eustachian valve,2) Thebesian valve

3) Foramen of ovalis 4)Blue baby

In a coloured diagram why do we generally show the pulmonary artery in blue and the pulmonary vein in red colour?

1.  what are the functions of WBC'S & RBC'S ?
2. what are the funnctions of neutrophils?

answar the question

1] which vessel will contain the smallest number of red blood cells per unit volume of blood

2 in which vessel will the biood carry the most oxyhaemoglobin.

What is systole and diastole please explain their working?

what is cardiac cycle.explain in detail?

1.  State the functions of blood plasma
2.  Is it possible for the blood to clot under the skin ? Give reason in support of your answer.

Differentiate between the following on the basis of

1. Antibodies & Antibiotics(Source)
2. Serum & Vaccine(Composition)

a What is S.A node ? y it is called pace maker?

b How are blood platelets formed and where do they die?

c WHat is the formation of RBC and WBC called?

d What is the death of RBCand WBCcalled?

e What is the differnce between anameia and erythropenia?

f can blood clot inside arteries? xplain

 Why is Aorta the largest Artery in the body ??

Is it true that your heart beats more than 1 lac time per day?

give reason for the following -

1. the wall of left ventricle are thicker than the wall of all chamber.
2. blood flowing away from the stomach and intestine is put into circulation via the liver and not directly.
3. blood group of both doner and recipient must be kown before transfusion.
4. artial wall is less muscular than ventricle wall.
5. arteries are deep seated in our body

What is SA node?

 is it possible for the blood to clot under the skin