Answer:
Not eating enough food, because cells need molecules from both food and air to work.
Answer:
ATP, from glucose.
Glucose is from the food we eat.
True because when you take it out it affects it both ways
Blood clotting. blood clotting The process by which the soluble protein fibrinogen in blood plasma is converted to insoluble fibrin, thus preventing blood loss through cuts, etc. Vitamin K is required for synthesis of the clotting proteins, and deficiency is characterized by excessive bleeding.