Asked by Anonymous

1. Which of the following best summarizes the function of the respiratory system?

A. to transport oxygen to cells and wastes away from cells.
B. to protect the organs in the chest cavity
C. to move oxygen from the air into the body and carbon dioxide from the body into the air
D. to provide a barrier between the body and the environment


2. Which of the following is not true about the structure of an alveolus?

A. it has thick walls to trap gases that enter during breathing.
B. it has high surface area to allow lots of gas exchange.
C. it has a high concentration of oxygen and a low concentration of carbon dioxide.
D. It has many capillaries running through its structure
I think
1. A
2. A
Is this right?
Answered by PsyDAG
Disagree with both.
Answered by Mariana
I think it's D. and C.
Answered by baka
What's 3 and 4 hhh
Answered by Connexus girl
Answers are

1. D
2. C
3. A
4. B
5. A
Answered by CONNEXUS student:)
The correct answers are:
1. D
2. C
3. A
4. B
5. A
Answered by CONNEXUS student:)
Hope this helps:) If anyone needs more questions just ask me!:) I got an 100%
Answered by m
it worked for me thz for the 100
Answered by Anonymous
100% correct lesson 6 getting oxygen unit 1 the human body
There are no AI answers yet. The ability to request AI answers is coming soon!