Plasma carries salts and enzymes, the primary purpose is to transport hormones, nutrients and proteins to part of the body that need it
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: B. speed of the reaction
Explanation:Enzymes are biological catalysts. Catalysts lower the activation energy for reactions. The lower the activation energy for a reaction, the faster the rate. Thus enzymes speed up reactions by lowering activation energy.
I honestly beleive the answer is 12. I think that each cell divides into 4. If not 12 then 6
