Transport in, out and within cells

What is an Exchange Surface

Exchange surfaces are specialised structures in the body that allow for the exchange of materials between the body and the environment

Name the exchange surface is the lungs and the small intestine.

Lungs - Aveoli

Vili - Small intestine

Name the 3 adaptions that exchange surfaces have in animals

a rich blood supply - to transport substances to / away from the substance

thin walls - to allow substances to pass through the surface more easily

large surface area - to increase the rate at which substances move

What the substance transported into the alveoli?

Oxygen into the blood.

CO2 out of the blood.

What are the substances transported in the vili

Glucose

Amino acids into the blood

What are the surface area adaptions in plants?

Large surface area

Short distance for transportation

Many mitochondria (to realse energy)