Air Is Continuously Forced Through Tubes That Thread Through Vascularized

question 47

Multiple Choice

Air is continuously forced through tubes that thread through vascularized tissue in a pair of inelastic lungs in _____.  

• A) some fish
• B) amphibians
• C) birds
• D) reptiles
• E) some small mammals

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Definitions:

mg

Milligrams, a unit of mass equal to one thousandth of a gram.

Insulin Syringe

A syringe designed specifically for injecting insulin, often marked with fine units of measurement for precise doses.

Tuberculin Syringe

A syringe designed for administering tuberculosis tests, such as the Mantoux test, often marked in tenths and hundredths of a milliliter for precise doses.

mL

A milliliter, a unit of volume in the metric system equal to one thousandth of a liter.