The Rate and Depth of Breathing Are Affected by the Following

question 25

Multiple Choice

The rate and depth of breathing are affected by the following factors except

• A)changes of blood pH.
• B)irritants in the respiratory tract.
• C)an increase in body temperature.
• D)an increase in blood Ca²⁺ concentration.

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Definitions:

Environment

The aggregate of surrounding things, conditions, or influences affecting the growth or development of living things.

Natural Selection

The process by which organisms better adapted to their environment tend to survive and produce more offspring.

Genome

Every piece of genetic material or gene set found in an organism or its cell.

Epigenetic Marks

Chemical modifications to DNA and histone proteins that affect gene expression without altering the underlying DNA sequence.