I distribute blood to the body parts from heart. I have no valves. I have high blood flow pressure. Who am I?

I collect blood form the bldy parts. I have velves and blood pressure is low. Who am I?

I am cooked on steam. Who am I?

Blood vessel in pheretima having valves is

Blood vessel in Pheretima having valves is

I am a digestive juice. I have no enzymes. Who am I ?

I transport food materials from the leaves to growing parts of the plant. I have sieve tubes and sieve cells. Who am I?