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Multiple inheritance occurs when a parent class has multiple child classes.

To indicate that class Y is a child of class X, and that inheritance is public, the class definition is ___________ .

Collagen fibers impart tensile strength to our skin while_________ fibers allow for some stretch and contraction in the dermis during movement.

The excretion of_________ sweat glands is viscous, cloudy, and rich in proteins and lipids.

28. The smallest contractile unit within a muscle is the:

18. The lungs are a highly ________________ structure.

Essay – Be concise but complete. (5 points – 2 of which will go towards extra credit). 43. Explain the relationship between lung volume, alveolar pressure, intrapleural pressure, and airflow in the process of quiet vs. forced inspiration.     

11. Speech is a primary biological function of the respiratory system.

42. Go through the process of speech breathing. Match the appropriate steps from inspiration through prolonged expiration.

9. The lungs expand because they are muscular structures that enlarge when they contract.