Question

The diagram below shows a system.







What is the function of the structure indicated by the arrow?

They are bronchi that move air from the trachea to the lungs.
They are alveoli that move air from the trachea to the lungs.
They are bronchi that exchange oxygen and carbon dioxide with the blood.
They are alveoli that exchange oxygen and carbon dioxide with the blood.

Answer 1

https://lh5.googleusercontent.com/EKevdwwWuvJVfCqIqc1xT4aa52WjK88MYgoxB3VwMLFYbXDtlCxo7KYpxaKvfzVpwUu4vCyEfFE9e1hBw35aE9vugKRPZ7YbzkMhoEb2pHQiV_w__QhDjwhj7oDwbinAzvGY8bMb

Answer 2

wait

Answer 3

sorry wrong question

Answer 4

wdym lungs

Answer 5

theres two with lungs

Answer 6

What was that

Answer 7

I need help this due today

Answer 8

am gonna fail if i dont gets helps 0_0

Answer 9

Ok so, aveoli are the small things at the end of the tubes in the lungs, so its obviously a bronchi

Answer 10

But we need to figure out which one it is.

Answer 11

i thinks it is second

Answer 12

dont you?

Answer 13

Ok so in order for Oxygen to be exchanged, it has to reach the alveoli. So it's the first one

Answer 14

why is the thing raining?

Answer 15

Does it mean am bad?