The answer is C because C represent plants and plants produce oxygen and absorb CO2
Answer:
Breathing heavily after you have finished running a race is your body way of repaying an oxygen debt.
Explanation:
Any kind of exercise that is performed makes our muscles work harder. As a result, more calories get burned by these muscles. To burn the extra calories, more supply of oxygen is required by the muscles. As you exercise harder, the breathing increases and become heavier to bring more oxygen to the lungs. From the lungs, the oxygen is carried to the muscles which are burning more calories.
You breathe heavily at the end of a race to get enough supply of oxygen.
Answer: Does the black sqaure represent disease? If so, emma is #1. As for the others i think i need more context
Explanation:
The smallest unit of matter that has the characteristic properties of it’s element is called an “atom”.
Individual atoms are called “elements” for that reason.
There are smaller divisions of matter, however those no longer have the characteristics of the element that they may be a part of. A hydrogen electron is indistinguishable from an argon electron, or any other.
Anemia is a condition where there is deficiency in healthy red blood cells or hemoglobin resulting in pallor or weakness. It results in low level of hemoglobin which is the protein that transports oxygen around the body. Lack of oxygen in the body will result to weakness, shortness of breath and dizziness. Nikoleta's symptoms of malaise, lethargy and being tired is usually caused by too much work of the heart. In anemic patient, the heart has to pump faster than normal because it has to supply red blood cells around the body. Since the heart is working double-time, it usually results to being tired, lethargic and malaise of the person with anemia. Nikoleta's pale skin is attributed also on the fact that she has low supply of red blood cells around the body. If Nikoleta is lethargic and always tired, little things may irritate her immediately, hence, her being cranky
