Which of the Following Is a Unique Characteristic of Heart

question 6

Multiple Choice

Which of the following is a unique characteristic of heart cells?

• A) They contract.
• B) They have nuclei.
• C) They have intercalated discs.
• D) They can stretch.
• E) They have myofibrils.

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Definitions:

Carbon Dioxide

A colorless, odorless gas produced by burning carbon and organic compounds and by respiration. It is naturally present in air and is absorbed by plants in photosynthesis.

Simple Organic Molecules

Basic compounds containing carbon that are the building blocks of more complex organic molecules.

J.B.S. Haldane

A significant figure in evolutionary biology and genetics known for his work on the mathematical theory of natural and artificial selection.

Alexander Fleming

The Scottish bacteriologist known for discovering the antibiotic substance penicillin in 1928, revolutionizing medical treatment of bacterial infections.