Both Bird and Mammal Lungs

question 60

Multiple Choice

Both bird and mammal lungs

• A) require two cycles of inhalation and exhalation in order for a breath of air to be expelled.
• B) contain alveoli at the terminal ends.
• C) have an anatomical dead space.
• D) exchange O₂ and CO₂ with blood in capillaries.
• E) have a unidirectional flow of air moving through them.

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Definitions:

Alarm Reaction

The initial stage in the stress response where the body readies itself for fight or flight, part of the General Adaptation Syndrome.

Fight-Or-Flight Reaction

A physiological response to a perceived harmful event, attack, or threat to survival.

Hans Selye

A Hungarian-Canadian endocrinologist known for his research on the physiological responses of the body to stress and the development of the general adaptation syndrome model.

Walter Cannon

A physiologist known for coining the term "fight or flight response" and his work on homeostasis.