47) The and the respiratory membrane is composed of fused basement membrane of t

Question

47) The and the respiratory membrane is composed of fused basement membrane of the capillary walls 48) Define Tidal Volume and give its amount in ml: innaloton The vol ume of air betuueen nor mad en normal exhala?on an It's amount 6comL 49) Nerve impulses from A. the ventral respiratory group B. the chemoreceptor center C. Broca's center D. the preoptic nucleus of the hypothalamus will result in inspiration. 50) Hemoglobin releases the same amount of oxygen to all the tissues regardless of variations their metabolic rate. (True or False) 51) Give one example of a factor that can influence airflow resistance. 52) Trace the path of air flow from the nasal cavity through to the alveolus. Make sure to distinguish the 2 divisions of the respiratory system.

Explanation / Answer

47) Type I cells.

The respiratory membrane consists of fused basement membrane of the capillary walls and Type I cells.

48) Tidal volume represents the lung volume. It also represents the normal volume of air displaced between normal inhalation and exhalation. Generally, tidal volume is approximately 500 mL.

49) The correct option is A. the ventral respiratory group.

The ventral respiratory group is a column of neurons. It is one of the respiratory groups in the respiratory centre. This group contains both inspiratory and expiratory neurons.

50) The given statement is false.

Haemoglobin does not release the same amount of oxygen to all the tissues regardless of variations in their metabolic rate. It is released based on requirement for each cell type.

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