Name the two types of transport systems in the human beings.

State the term used for the transport of food from leaves to other parts of plant.

Which process in a plant is accomplished by utilising energy from ATP : transport of water and minerals or transport of food ?

Name a waste gas released by the plants (a) only during the day time, and

(b) only during the night time.

Name one animal having single circulation of blood and another having double circulation.