Answer:Oxygen availability is often a limiting factor for cell survival, and it is generally ... An organism is faced with the following problem: How can the composition of ISF be ... which ensures proper exchange of oxygen and carbon dioxide; the kidney, ... to carry out its function of bringing blood close to cells so that the exchange of ...
by RN Pittman · 2011 · Cited by 54 · Related articles
Explanation:
Its O is the anwser to your problem
The third choice im pretty sure
i hope this helps!!
The answer of your question is
D. The conscious mind of the cortex can override body signals.
Explanation:
Lipids=Smooth Endoplasmic Reticulum
Proteins=Ribosomes
Carbohydrates=hmmm
