Your answer should be increasing in number
Answer: b
Explanation:
All the smaller molecules are made up of the organic elements
I know that it is during cellular respiration, but I'm not sure between b or d
Explanation:
The interior of the lungs is made up of spongy tissues containing many capillaries and around 30 million tiny sacs known as alveoli.
The alveoli are cup-shaped structures found at the end of the terminal bronchioles and surrounded by capillaries.