Answer:
The answer is unicellular
We do not use carbon dioxide to fuel our blood cells. It is a waste.
Arteries move blood from the heart to the rest of the body.
Veins carry the blood to the heart to be oxidized.
"D" is not correct.
"B" is not correct.
We know that veins carry blood to the heart, lungs exhale carbon dioxide.
"A" is the correct answer.
I hope this helps!
~kaikers
Answer:
Consumer: a person or thing that eats or uses something.
Producer: an organism that produces. (makes) its own food.
Explanation:
Hope that helps buddy :)
Answer:
universities allowed scientist to investigate what they thought even if they were contradicted catholic teachings.
