Question

What is Absorption?

What is Passive transport?

What is active transport?

Answer 1

absorbing the nutrients/ water or absorbing the food materials are called absorption
where ATP is not utilized are called as passive transport..
where ATP Is utilized are called active transport.
Ex: Na+ / K+ pump

Answer 2

"Absorbption"

- Diffusable material pass from digestive system into blood or lymph by diffusion, osmosis, active transport is called as ABSORPTION.

Passive Transport

- it does not require energy or ATP 
- osmosis and diffusion are examples
-it occurs in blood 
- materials like water, minerals, simple sugar and amino acids are through passive transport

Active Transport

- it is energy dependent or requires ATP
- it occurs in lymph
- fatty acid, cholesterol,glycerol are by active transport

#hope this helps you!!;-)