Dental Admissions Test (DAT) 2025 – 400 Free Practice Questions to Pass the Exam

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In the physiology of the respiratory system, what is the term for the rate at which gas enters and leaves the lungs?

Ectoderm

Microtubules

Ventilation

Ventilation is the term used to describe the rate at which gases enter and leave the lungs. Ectoderm, microtubules and zygote are not related to the respiratory system. Ectoderm is a layer of cells in the early embryo, microtubules are tiny cylindrical structures found in cells, and zygote is the initial cell formed when two gamete cells are joined during fertilization. Therefore, they are incorrect options for the term used in the physiology of the respiratory system for the rate of gas exchange.

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Zygote

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