Question

How does the structure of the alveoli allow for its function of gas exchange?
Alveolar sacs produce mucus that makes gas exchange easier.
Alveolar sacs rely on valves to ensure that air flows only in one direction.
Alveolar sacs are located within muscles that contract, which increases gas exchange.
Alveolar sacs are surrounded by thin capillaries where gases can be exchanged.

Answer 1

@langenstroer

Answer 2

The answer is that alveolar sacs are surrounded by thin capillaries where gases can be exchanged. (D) Capillaries have a large surface area so gas is exchanged there very easily.

Answer 3

Also I really do not mind helping you but if you could give me some medals sometimes that would be nice

Answer 4

thank you mystery person

Answer 5

is the best response the medal?

Answer 6

Yep! I think so

Answer 7

ive been doin it on all the ones youve helped me with

Answer 8

ok sorry i must be thinking about someone else I'm helping right now

Answer 9

Homeostasis is the ability of the body to maintain internal balance despite changing external conditions. How does the respiratory system help maintain homeostasis?
The respiratory system helps release hormones to control body processes.
The respiratory system helps release unwanted heat and water from the body.
The respiratory system produces white blood cells that kill disease-causing organisms.
The respiratory system releases enzymes that help in the break down of food.

Answer 10

@langenstroer

Answer 11

The respiratory system helps release unwanted heat and water from the body