Question

What do following transport?
i)Xylem
ii)Phloem
iii)Pulmonary vein
iv)Vena cava

Answer 1

i) xylem (ii) phloem (iii) pulmonary vein (iv) vena cava. (iii) Transports oxygenated blood from lungs to left ventricle of hearts. (iv) Transports deoxygenated blood from body to right ventricle. ... (iii) Transportation process for carrying food and oxygen from one place to another in the body

Answer 2

(i) Xylem:

It is a specialised plant conducting tissue that transports water and minerals from roots to all aerial parts of plants which occurs against gravitational force with the help of ascent of sap.

(ii) Phloem:

It transports food that is prepared in the leaves, through photosynthesis, to various parts of plant. This process is called translocation. Phloem also transports amino acids, hormones synthesised in the shoot tips and root tips and other metabolites.

(iii) Pulmonary vein:

Are present in human circulatory system brings oxygenated blood from lungs to the left atrium of heart.

(iv) Vena cava:

It transport deoxygenated blood collected by all veins of body except pulmonary vein and pass it to the right atrium of heart.