A(n)_____ Is a Possible Explanation for What Is Observed That

question 22

Multiple Choice

A(n) _____ is a possible explanation for what is observed that is based on some previous knowledge.

• A)peer review
• B)prediction
• C)hypothesis
• D)theory
• E)anecdote

---

Definitions:

Tidal Volume

The volume of air inhaled or exhaled during a normal breathing cycle, without exertion.

Expiratory Reserve Volume

Maximum volume of air that can be expelled from the lungs after a normal expiration.

Pulmonary Edema

The accumulation of fluid in the lungs' air sacs, leading to breathing difficulties.

Respiratory Membrane

The thin barrier through which gas exchange occurs between the alveolar air and the blood in the lungs.