Answer:
The answer is 2.
Explanation:
When oxygen gets into the lungs, it first needs to diffuse through the alveoli and into the blood. Then through the veins and capillaries, it diffuses into all the calls in the body. It does so quite easily because it is a nonpolar and a very small molecule with a low concentration inside the cell. This gives it the ability to diffuse easily through the cell membrane.
So the number of times that oxygen has to diffuse through a plasma membrane is two.
I hope this answer helps.
To perform this procedure correctly the nurse should Clamp the NG tube for 30 minutes following the administration of the medication. Antacids are class of drugs that neutralize the acidity in the stomach. They contain elements such aluminium, magnesium or calcium which acts as alkali (bases) to counteract the stomach acids resulting in increase of pH.
The function of the digestive system is digestion and absorption. Digestion is the breakdown of food into small molecules, which are then absorbed into the body. The digestive system is divided into two major parts: The digestive tract (alimentary canal) is a continuous tube with two openings: the mouth and the anus.
Answer:
enzymes are packed in small grains in laundry powder or called biological washing powder
Explanation:
when heated these grains will break end enzymes will be secreted. when these are secreted, the enzymes break down the stains
blood stains: by protease enzymes
oily stains : by lipase enzyme
and so in
The answer is MEASURE.
<span>Psychologists need to decide how they will MEASURE the phenomenon they are interested in so that they can describe that phenomenon.
Psychologists scientific method to collect data that they need to measure. They use this method because it is the most accurate and most commonly used technique in data collection. </span>