Skeletal System Form and Function

What is the primary difference between an exoskeleton and an endoskeleton?

• Exoskeletons are found in vertebrates, while endoskeletons are found in invertebrates.

• Exoskeletons are located inside the body, while endoskeletons are located outside.

• Exoskeletons are external and provide protection, while endoskeletons are internal and provide support.

• Exoskeletons are made of chitin, while endoskeletons are made of bone.

Which of the following is NOT a primary function of the human endoskeleton?

• Providing a framework for movement.

• Protecting vital organs.

• Producing digestive enzymes.

• Storing calcium.

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Which type of bone marrow is primarily responsible for hematopoiesis?

• Yellow bone marrow

• Red bone marrow

• Spongy bone marrow

• Compact bone marrow