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:

Jointed Appendages

Characteristic features of arthropods, including insects and crustaceans, where limbs are jointed, allowing for movement.

Planarians

Flatworms belonging to the Turbellaria class, known for their remarkable regenerative ability and as subjects of biological research.

Circulatory System

The body system that functions in internal transport and protects the body from disease.

Cephalopods

Cephalopods are a class of mollusks that include squid, octopuses, and cuttlefish, known for their advanced nervous systems, complex eyes, and ability to change color and texture.