Fill in the Blanks, Respectively, with a Letter (A or B)

question 39

Short Answer

Fill in the blanks, respectively, with a letter (A or B) to represent the balance and more or less to describe the precision. The density of a metal block was determined based on mass measurements using two different balances. The results are shown below. The density determined using balance ___________________ is ____________________precise.

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Definitions:

Inspiratory Reserve

The additional amount of air that can be inhaled after a normal inhalation, demonstrating the reserve capacity of the lungs.

Expiratory Reserve

The additional amount of air that can be expelled from the lungs after a normal exhalation.

Internal Nares

The internal nares, also known as the choanae, are openings at the back of the nasal cavity leading into the pharynx, facilitating airflow from the nose to the throat.

Nasal Cavity

The hollow space within the nose through which air flows, filtered, warmed, and humidified, also housing olfactory receptors.