In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.
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Question: Question: Less oxygen absorption means _____ oxygen in the blood. 
 Answer: less

Answer: Smoking reduces the amount of oxygen available for diffusion at the lungs, so less oxygen gets absorbed and blood is oxygenated to a lesser degree.


Question: Question: Sandra had to pee, and when she did, she noticed her urine was nearly clear, because she had consumed water in 
 Answer: greater amounts

Answer: The darker the urine, the less water it contains.


Question: Question: If your blood pressure goes down what happens to the oxygen levels in the body? 
 Answer: decrease

Answer:
This causes the delivery of less oxygen to the cells, and this stimulates the heart rate via adrenalin, so that pulse rate increases in an effort to deliver enough oxygen to cells.