I believe the percentage of brown would be 100%.
The function of the respiratory system in the respiratory process is to breathe.
The respiratory system functions for the conduction of air that is rich in oxygen into the lungs and the removal of air rich in carbon dioxide to the outside.
The respiratory system facilitates the exchange of gases through processes such as breathing, inhalation as well as exhalation occurring between the air and blood and also between the blood and body cells. The respiratory system also helps in sensing smell and creating sounds.
The respiratory system controlling breathing is also termed pulmonary ventilation. In the case of pulmonary ventilation, the air is inhaled through the nasal as well as oral cavities. It then moves through the pharynx, larynx, and trachea and finally into the lungs.
Then it is followed by the exhalation of air, which will be flowing back through the same pathway where inhalation occurs. Pulmonary ventilation is triggered by changes in volume and air pressure in the lungs.
During normal inhalation, contraction of the diaphragm and external intercostal muscles takes place and then the ribcage elevates.
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Deer
The family tabanidae consists of horse flies and other similar flies such as deer flies. So let's look at some distinguishing characteristics of both horse and deer flies.
Body Length: Horse flies are 10-30mm, Deer flies are 6-11mm.
Antennae: Horse flies have short antennae, Deer flies have long.
Ocelli: Horse flies have either vestigial, or entirely lack them. Deer flies have them.
Wings: Horse fly wings are clear, uniformly cloudy, or spotted. Deer fly wings are distinctly banded.
So on those three characteristics, Deer flies match all of them, while horse flies match none. So the answer is deer fly.
Answer:
D
Explanation:
Enzymes are chemical catalysts they speed up/ increase the rate of the reaction by lowering the activation energy (minimum energy required for reaction to actually occur).