It is false that the bronchial circulation is a component of the pulmonary circulation. Bronchial circulation is a separate system from the pulmonary circulation, and it supplies blood to the tissue of the larger airways of the lung.
Don't wear cotton in cold weather, stay dry, etc.
Degraded mitochondrial DNA can be used successfully for anlaysis, this is not so with nuclear DNA. Family members from the same maternal source has identical mitochondrial DNA, so in cases of missing persons, sample mitochondrial DNA can be collected from maternal relatives for identification.
The answer is A.) Mitosis and meiosis
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