Explain why transportation of materials is necessary in animals.
Answers
The distribution of all essential substances such as food, oxygen and water throughout the body is carried out through the system of transportation. It also displaces excretory wastes colleted from the cells of body to the excretory organs from where they are expelled out from the body. Thus, transportation of materials is necessary to carry out various life process.
Answer :-
Transportation is very significant in animals or plants. Living cells need a continuous supply of water, minerals and food for its survival. By the process of transportation, different food materials coma oxygen, minerals, water is supplied to the living cells of the body. From the utilisation of these things, Energy is provided to the body to do things. The undigested food matters are temporarily stored in the cytoplasm of living cells. The undigested food matters are then discharged as feaces. It happens through the process of excretion. The discharge of food matters from the body after they provide energy and are utilized is called excretion.