What is the volume of air that moves into and out of the lungs during a single unforced breath called?

Tidal volume (VT)
Inspiratory capacity (IC)
Vital capacity (VC)
Inspiratory reserve volume (IRV)

unforced breathing is residual volume

Explanation:

It refers to the amount of air left inside the airways and inside the lungs that cannot be expelled after forced expiration. This volume guarantees the partial filling state of the lungs.

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given bodies of water

pacific / arctic / indian / southern

[ a ] the caribbean sea

[ b ] the northern ocean

[ c ] the atlantic ocean

[ d ] the barents sea

with this being the given answers

propane is burned to provide the heat in many cooking grills. the chemical reaction for this process is shown in the equation below.

c3h8 + 5o2 ? 3 co2 + 4h2o + energy

what are the products in this chemical reaction?

3co2 + 4h2o + energy