<span>The three main reasons why cell division is important in organisms are reproduction, repair and growth, Cell division is necessary in order for life to continue.</span>
Answer:
Breathing rate is most likely to increase if the blood level of carbon dioxide increase.
Explanation:
Breathing rate is the number of breaths of a person during a specific time, is usually the number of respiratory cycles that occur per minute. External respiration is the process of exchanging oxygen and carbon dioxide from the outside of the human body to pulmonary capillary blood. Once in the lungs, oxygen (and carbon dioxide to a very small extent) through the alveoli, pass into the red blood cells of the pulmonary vein blood. Carbon dioxide reacts in the blood with water, thanks to an enzyme, giving rise to bicarbonate. Blood reaches the heart, and is pumped into the cells by systemic arteries. The oxygen in the blood crosses the cell membrane and in turn, an exchange occurs, since the cell expels carbon dioxide and oxygen that it has not used. Once the exchange is done, the blood is conducted through the systematic veins with oxygen whose partial pressure is lower, and with an increase in the partial pressure of carbon dioxide. It reaches the heart again, leads through the right atrium and ventricle and finally travels through the pulmonary artery to the lungs where the air is expelled (expiration). Breathing rate tends to increase when the level of carbon dioxide in the blood increase.
Answer: Option C.
Inefficient oxygen transportation .
Explanation:
Sickle cell anaemia is an inheritable condition in which the the red blood cell cannot transport oxygen effeciently in the blood to organs because of it's distorted shape which is sickle.
Red blood cells function in transporting oxygen in the blood because of it's iron component, when it is distorted it can't carry oxygen efficiently.
This can lead to damage to lungs, livers, nerves, spleens, organs.
