Insects Can Beat Their Wings at Exceptionally High Frequencies Because

question 148

Multiple Choice

Insects can beat their wings at exceptionally high frequencies because

• A) their wing muscles have mostly fast-twitch fibers.
• B) their motor neurons can fire action potentials at a very high frequency.
• C) their wings have exoskeletal supports.
• D) their wing muscles have extensive sarcoplasmic reticulum that cycles Ca²⁺ very fast.
• E) their wing muscles can generate a rapid oscillation of contraction asynchronous with motor neuron firing.

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