Express the Ratio in Lowest Terms $5 : 40$ A) $\frac { 1 } { 8 }$

question 8

Multiple Choice

Express the ratio in lowest terms. $5 : 40$

• A) \(\frac { 1 } { 8 }\)
• B) \(\frac { 1 } { 13 }\)
• C) \(\frac { 1 } { 3 }\)
• D) \(\frac { 1 } { 11 }\)
• E) \(\frac { 1 } { 7 }\)

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Definitions:

Internal Respiration

The exchange of gases (oxygen and carbon dioxide) between the blood and the body cells.

Alveoli

Microscopic air sacs in the lung.

Carbon Dioxide

A colorless, odorless gas produced by burning carbon and organic compounds and by respiration, essential for plant photosynthesis but a contributor to global warming when in excess.

Conchae

Curved bony projections inside the nasal cavity that help to filter, warm, and moisten air as it is inhaled.