Which Statement About Red Blood Cells Is True

question 11

Multiple Choice

Which statement about red blood cells is true?

• A) Their main function is to carry nutrients.
• B) Red blood cells are shaped like concave disks.
• C) Their main function is to protect against infections.
• D) Red blood cells have nuclei.

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Definitions:

Terms and Conditions

A legal agreement between a service provider and the user, outlining the rules and guidelines of using the service.

Employee Polygraph Protection Act

A U.S. federal law that generally prevents employers from using lie detector tests, either for pre-employment screening or during the course of employment, with certain exceptions.

Employment-at-Will Doctrine

A legal doctrine that defines an employment relationship in which either party can break the relationship with no liability, provided there is no express contract for a definite term governing the employment relationship.

Polygraph Test

A lie detector test that measures physiological responses such as blood pressure, pulse, and respiration to determine the truthfulness of an individual's answers.