Answer:
C. Different organs working together to do a job
Explanation:
Pretty self explanatory, sets of organs make up an organ system.
Hopefully this helps!
Brainliest please?
Answer:
naturally living organisms
Answer:
the different colored liquids would've the manipulated while the amount of hummingbirds that visit is the responding variable.
The correct answer among the choices provided is option A. Lung capillaries are responsible for exchanging carbon dioxide for oxygen from the air. Blood that comes from the heart gets oxygen from the alveoli. The carbon dioxide in the blood goes into the alveoli at the same time.
