AP BIOLOGY

PLANTS

TRANSPORT IN PLANTS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following are characteristic features of good gas exchange surfaces?
A
Small surface area to volume ratio
B
Large diffusion gradient maintained
C
Thin surface layer
Explanation: 

Detailed explanation-1: -Thin walls, a moist inner surface, a large combined surface area, and a rich blood supply are all characteristics of a respiratory surface. Each alveolus is surrounded by capillaries.

Detailed explanation-2: -Gas Exchange Between Alveolar Spaces and Capillaries Three processes are essential for the transfer of oxygen from the outside air to the blood flowing through the lungs: ventilation, diffusion, and perfusion. Ventilation is the process by which air moves in and out of the lungs.

There is 1 question to complete.