What prevents blood from clotting in blood vessels?

The substance that prevents blood clotting in blood vessels is

_________ helps to prevent blood clotting in blood vessels

Observe the diagram and answer the following questions. What type blood present in both the blood vessels?

In human body A is a pumping organ from lungs blood vessel B with oxygenated blood enters upper C part of left chamber of the organ. When "C" chamber contracts blood flows into "D" lower left chamber. "D" chamber contracts blood is pumped to all parts of the body except lungs through blood vessel E. Deoxygenated blood from body parts is collected by blood vessel "F " and opens upper "G" right chamber. This chamber contracts blood flows into "H" lower chamber. Lastly "H" contracts Deoxygenated blood sent to lungs by blood vessel "I" c) (i) C (ii) D are what chambers?

In human body A is a pumping organ from lungs blood vessel B with oxygenated blood enters upper C part of left chamber of the organ. When "C" chamber contracts blood flows into "D" lower left chamber. "D" chamber contracts blood is pumped to all parts of the body except lungs through blood vessel E. Deoxygenated blood from body parts is collected by blood vessel "F " and opens upper "G" right chamber. This chamber contracts blood flows into "H" lower chamber. Lastly "H" contracts Deoxygenated blood sent to lungs by blood vessel "I" d) (i) G (ii) H are what chambers ? write their names.

What do you want to compare with the transportation in blood vessels?

The layer of eye ball caontaining many blood vessels and looks bluish in colour is

a) Supply of material is done through blood vessels in closed type of circulatory system. b) Blood travels only in blood vesseles.

What is the function of muscle tissue in blood vessel?

In human body "A" is a pumping organ. From lungs blood vessel "B" with oxygenated blood enters upper "C" Part of left chamber of the organ. When " C" chamber contracts blood flows into "D" lower left Chamber. Contracts blood is pumped to all parts of the body except lungs through blood vessel E. Deoxygenated blood from body parts is collected by blood vessel "F" and opens upper "G" right chamber. This chamber contracts blood flows "H" lower chamber. Lastly "H" contracts De-ozygenated blood sent to lungs by blood vessel "I". What organ does 'A' represents ?