Oregon Cosmetology Certification Practice Exam

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Prepare for the Oregon Cosmetology Certification Exam. Study with flashcards and multiple choice questions, each with hints and explanations. Get ready for your exam!

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What is made of cells, blood, calcium carbonate, and calcium phosphate?

Bones
Muscles
Skin
Hair

The correct answer is: Bones

Bones are a type of animal tissue made up of cells, a collagen matrix filled with calcium carbonate and calcium phosphate. It provides support and protection for the body and aids in movement. Muscles are made of muscle tissue and are mainly responsible for movement. Skin is made up of layers of cells and protects the body from external elements. Hair is made up of dead cells and primarily serves as a sensory organ. Therefore, the other options are incorrect as they do not contain all the components listed in the question.