A & P Unit 3 - Skeletal System

Which bone helps produce and repair blood cells the most?

• Fingerbone

• Skull

• Spinal bone

• Upper leg bone

Imagine an archeologist said they found an “osseous knife” used by ancient humans. What would you expect the knife to be made of?

• bronze

• obsidian

• bone

• iron

An embryo’s skeletal system begins as:

• A matrix of carbon crystals

• Hyaline cartilage

• Fibers of calcium deposits

• Ossified milk

Tags

NGSS.MS-LS4-3

____ is the development of bone as an embryo; ____ is the development of bone across our entire lives.

• Ossification; cartilagation

• Cartilagation; calcification

• Calcification; cartilagation

• Calcification; ossification

As you age, your upper leg bones go through:

• intramembranous ossification.

• endochondral ossification.

• hyaline cartilagation.

• calcified remodeling.

Julia is tasked with drawing examples of different types of bone tissue. Which BEST describes the drawing Julia should make to represent compact bone?

• Triangular cells, packed tightly together, running through the bone’s diameter.

• Branches that seem to criss cross one another, leaving air pockets between.

• Flat circles, loosely connected at two points to the ones around them.

• Long cylinders, packed tightly together, running lengthwise along the bone.

Which type of bone would not have an epiphysis?

• humerus (upper arm bone)

• femur (connects hip to knee)

• tibia (lower leg bone)

• sphenoid (base of your skull)

Imagine looking at a stack of soda cans in a grocery store. What structure do they most resemble?

• Osteons

• Trabeculae

• Epiphyses

• Hematopoiesis

Red blood cells are produced by:

• Your brain

• Your heart

• Your bones

• Your stomach

If you were using bones to build a heavy house that needed a lot of support, to build the walls, you’d want to use:

• Long bones

• Short bones

• Flat bones

• Sesamoid bones