Mrv =
a. tidal volume x breaths per minute
b. the total amount of exchangeable air
c. the function residual capacity
d. air inspired after a tidal inhalation, not including tidal volume

Option (a).

Explanation:

Minute respiratory volume or minute ventilation may be defined as the amount of gas exhaled or inhaled in a minute. Wright respirometer can be used to calculate the minute ventilation.

Minute ventilation can be calculated by the formula:

MRV = TV × Breaths per minute.

Here, MRV is minute respiratory volume and TV is tidal volume.

Thus, the correct answer is option (a).

answer:

well what are your strengths and what are you good at.

answer: no, they are not.*

although rubber bands that contain excessive amounts of dye, toxins, or additives are sometimes toxic, most rubber bands do not cause any health issues. since they are typically made of latex, (a natural substance that is extracted from trees) they are not dangerous in any way if you chew them or accidentally ingest a piece of rubber band. however, chewing rubber bands does pose a choking hazard and is not a good habit to have.

*depending on the type of rubber band. the typical rubber bands that you see at stores are not toxic, but other types of rubber or latex that contains certain chemicals may be unhealthy and hazardous.