Anatomical dead space refers to the volume of air located in the respiratory tract segments that are responsible for carrying air to the alveoli
but not take part in the gas exchange which is also about 150 ml on the standard in humans.
equation
Vd /Vt=[PaCO2-PeCO20]/PaCO2
also
TV-VD
Tidal volume minus the the volume of the anatomical dead space
so if tidal volume is 450ml
then
450-150ml=300ml
to know more about anatomical dead space here
brainly.com/question/28025975
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