Answer: True
Explanation:
Mucociliary streaming is the process of the cleaning mechanism of the respiratory passage. It is one of the protective process that protects the respiratory passage from the effect of the particles of dust and pathogens before they reach up to the delicate lung tissues. This process maintains the pulmonary hygiene.
This takes the advantage of cleaning up the cilia present in the respiratory tract, this process penetrates the mucous layer of the cilia by wave-like motion. The cilia trap the large and small particles. The instrument used for this purpose moves at a speed of 6 to 20mm per minute. This helps in cleaning up of the cilia along with the mucous.
B because the temperature goes up then the birds would move to the south were it is cooler.
Answer:
The left side of the heart receives oxygenated blood from the pulmonary vein and pumps it into the aorta, while the right side of the heart receives deoxygenated blood from the vena cava and pumps it into the pulmonary vein. The pulmonary vein and aorta also have valves connecting them to their respective ventricle.
Explanation:
<span>A biologist can infer from a population that is uniformly distributed through its habitat that it has reached it's carrying capacity. If resources were unevenly distributed through the environment, you would not see a uniform distribution of the population itself.</span>
