Human Skeletal System: Axial & Appendicular Bones Quiz

Play an AI-generated podcast conversation about this lesson

What are the tiny cavities in bones called?

Osteoclasts

Haversian canals

Osteocytes

Lacunae (correct)

Which cells are responsible for bone resorption?

Calcitonin cells

Parathyroid cells

Osteoblasts

Osteoclasts (correct)

What hormone is responsible for bone deposition?

Parathyroid hormone

Calcitonin (correct)

Adrenaline

Thyroxine

Which part of the skeleton includes the skull and vertebral column?

Axial skeleton Signup and view all the answers

What is the function of the vertebral column?

Serve as the main stiffening axis Signup and view all the answers

How have the number of skull bones changed over evolution?

Reduced from early fishes to mammals Signup and view all the answers

What is the function of the periosteum?

Supply bone cells with nutrients Signup and view all the answers

Which bone classification category do vertebrae and hip bones belong to?

Irregular bones Signup and view all the answers

What is the composition of the epiphysis in a long bone?

Composed mostly of spongy bone Signup and view all the answers

Which part of the bone is responsible for causing the bone to grow, repair, and remodel throughout life?

Endosteum Signup and view all the answers

What is the main function of the axial skeleton?

Support of the body Signup and view all the answers

Which bone type has a shaft with heads at both ends?

Long bones Signup and view all the answers

Which of the following is NOT a function of the periosteum?

Producing red blood cells Signup and view all the answers

Which of the following structures is made of hyaline cartilage and covers the external surface of the epiphyses of a long bone?

Articular cartilage Signup and view all the answers

What is the primary function of the medullary cavity in adults?

Store yellow marrow (mostly fat) Signup and view all the answers

Which of the following structures is part of the axial skeleton and encloses and protects the brain, meninges, and cerebral vasculature?

Cranium Signup and view all the answers

What are the fibrous membranes connecting the cranial bones in a fetal skull called?

Fontanelles Signup and view all the answers

What are the air-filled spaces located within the bones of the skull and facial bones called?

Paranasal sinuses Signup and view all the answers