Which of the Following Best Describes the Contractile Properties of the Heart

question 43

Multiple Choice

Which of the following best describes the contractile properties of the heart of the elasmobranch fish?

• A) There are four chambers, however only the atria and ventricle contract.
• B) There are only two chambers, an atria and a ventricle, and they both contract.
• C) There are four chambers, and three contract.
• D) There are four chambers, and all four contract.

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