Skeletal System

Skeletal facts

100

How many bones are in the adult body?

206

200

This function of the skeletal system helps to keep you upright. Which of the 4 functions is this?                                                                                                                                                                                                                                                                                                                                                                                                                  

Support

300

You store these 2 minerals in your bones. Which 2 minerals?

Phosphorus and calcium

400

This type of skeletal cell helps to build up new bone. What are they called?

Osteoblasts

500

What is the process of bone formation called?

Osteogenesis

600

How many bones does a baby have when they are born ?

275-300 bones

Long Bone Anatomy

100

The inner thin layer of long bones is called what?

Endosteum

200

This is the middle of the long bone where bone marrow cells are stored. What is the name of this space?

Medullary cavity

300

This porous, lattice-like bone tissue lies at the ends of all long bones. What type of bone is this?

Spongy bone

400

If an xray has this mark on a long bone you know it belongs to pre-puberscent (prior to puberty) child. What is the name of this mark?

Epiphyseal line

500

This part of a long bone is at both ends and acts like a shock absorber. It makes the movement of the bone joint smooth and easy. What is this connective tissue called?

Articular cartilage

600

This is a major portion of the bone, also known as the shaft of the long bone.

Diaphysis

Long Bone Physiology

100

This tough, fibrous layer covers the bones and protects the blood vessels and nerves. What is the name of this layer?

Periosteum

200

This is the end of a long bone and is furthest away from the center of the body.

Distal epiphysis

300

This vessel supplies oxygen and nutrients to the bone.

What vessel is it? 

Nutrient artery

400

Red blood cells are produced here and stored in spongy bone. What part of the long bone is this?

Red bone marrow

500

This dense and hard outer layer of long bones protects, supports and gives strength to the bone.

Compact bone

600

This part of the bone is closest to the center of the body and comes first from superior to inferior. What part of the long bone is it?

Proximal epiphysis

Anterior skeletal man

100

There are 2 of me. I am the bone in the upper arms.

Humerus

200

What bone is also known as the kneecap?

Patella

300

This bone in the forearm is on the same side as the pinky finger or 5th finger. What bone is this?

Ulna

400

These bones in the hand do NOT move. What are they called?

Metacarpals

500

This small bone could be broken off during CPR. What bone is this?

Ziphoid process

600

This is the only moving bone in the skull? What bone is it?

Mandible

Miscellaneous

100

This type of bone cell cleans up the damaged bone. 

Osteoclasts

200

This function enables you to run. Which of the 4 functions is this?

Movement

300

What is the meaning of osteocytes?

Bone cells

400

This bone protects the anterior portion of the skull. What is the name of that bone?

Frontal bone

500

This is marrow where fat cells are stored. What type of marrow is this?

Yellow marrow

600

This word refers to the ankle part of the feet. It makes the ankle move. What part is it?

Tarsals