Breathing Rate Increases During Exercise Due to

question 52

Multiple Choice

Breathing rate increases during exercise due to

• A) signals from the cerebral cortex to the respiratory areas when it also signals skeletal muscles to contract.
• B) stimulation of the respiratory areas by decreasing blood concentration of oxygen and increasing blood concentration of carbon dioxide.
• C) a joint reflex.
• D) all of the above.

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Definitions:

Sexual Reproduction

Reproductive mode by which offspring arise from two parents and inherit genes from both.

Oxytocin

A hormone and neurotransmitter primarily involved in the regulation of social and reproductive behaviors, as well as the process of childbirth and lactation.

Labor

Expulsion of a placental mammal from its mother’s uterus by muscle contractions.

Muscle Contractions

The process where muscle fibers shorten or lengthen against a load, leading to movement or the maintenance of a position.