Skeletal System II

Front

What factors determine where bone matrix is remodeled?

Back

Stresses of gravity and muscle pull on the skeleton.

Front

What tiny canal connects central canals to lacunae in compact bone?

Back

Canaliculus.

Front

Which bone is NOT part of the appendicular skeleton?

Back

Sternum.

Front

Which facial bone is unpaired?

Back

Vomer.

Front

What is the structural unit of compact bone?

Back

Osteon.

Front

What is the primary function of the skeletal system?

Back

Support, protection, movement, mineral storage, and blood cell production.

Front

What type of bone is the femur?

Back

Long bone.

Front

What is the role of parathyroid hormone (PTH) in bone health?

Back

Regulates calcium levels in the blood by promoting bone resorption.

Front

What is the difference between the axial and appendicular skeleton?

Back

Axial skeleton includes the skull, vertebral column, and rib cage; appendicular skeleton includes limbs and girdles.

Front

What is trabecular bone?

Back

Spongy bone found at the ends of long bones and in the interior of others.