Question

why transportation of substances is required

Answer 1

Transport of materials isnecessary in both plants and animals as every cell needs a regular supply of nutrients and oxygen for releasing energy through respiration. The food that we eat is broken down into smaller components to be absorbed by the cells.

Answer 2

Transportation can be defined as the movement of substances from one place to another. It helps in survival of the organism.

In humans transpot of blood and essential materials helps in healthy living and survival of the organism.

In plants it helps in movement of water and food throughout the plant such that it helps in the growth of the plant