<span>nerve cells need b 12 for proper functioning</span>
Answer:

Explanation:
This process is known as <u>cellular respiration.</u>
This occurs in the mitochondria (the powerhouse of the cell) in both plant and animal cells. The equation is:

Glucose (obtained from eating food in animals and photosynthesis in plants) and oxygen is converted into carbon dioxide, water, and energy. The energy is used in the organisms for movement, growth, and repair.
Definitely wake up your parents because you might have to get a blood transfusion. Tell them its an emergency