Answer:
you need to drink 2.5 litres at max and 1 at the least
Explanation:
They are produced by specialized white blood cells called B lymphocytes<span> (or B cells). </span>
Answer:
Hypoxemia occurs when levels of oxygen in the blood are lower than normal. If blood oxygen levels are too low, your body may not work properly.
Hypoxemia can cause mild problems such as headaches and shortness of breath. In severe cases, it can interfere with heart and brain function.
