Pivot Point 102.5: The Skeletal System

How many bones does an adult human have?

206 bones

Joints

Point where two or more bones are joined together

What are the two types of joints?

Movable and Immovable

Osteology

The study of bones

What are bones composed of?

2/3 mineral matter and 1/3 organic matter

What do bones produce?

Red and white blood cells

What do bones store?

Calcium

Where are long bones found?

Arms and legs

Where are flat bones found?

Scalp, scapula and sternum

What are the functions of the skeletal system?

• Supporting the body and giving it strength and shape

• Surrounding and protecting internal organs

• Providing a frame to which muscles can attach

• Allowing body movement

• Producing red and white blood cells

• Storing calcium

What does the skull protect?

Brain and primary sensory organs

Where is the frontal lobe?

The top of eyes to top of head (forehead)

Where is the parietal lobe?

2 bones that form the crown and upper sides of head

Where is the occipital lobe?

Forms the back of the skull

Where is the temporal lobe?

2 bones on either side of head directly above ears

How many bones are in the facial skeleton and how many are involved in a facial massage?

14 bones in facial skeleton, 9 involved in face massage

Where is the mandible?

Lower jaw

Where is the maxillae?

Above top lip, below nose

Where is the nasal bone?

2 bones joining to form bridge of nose, between eyes

Where is the zygomatic bone?

Upper cheek bones, bottom of eye socket

Where is the lacrimal bone?

Forms front part of inner wall of eye socket

Where is the cervical vertebrae?

7 bones that form the top of the spinal column?

Where is the hyoid bone?

U shaped bone at the base of the tongue

Where is the thoracic vertebrae?

Chest region, forms the center of the spine

Where is the sternum?

Breastbone, flat plate that forms the center of the chest

Where are the ribs?

12 curved bones that form the rib cage

Where is the clavicle?

Collarbone, forms the area from the throat to the shoulder

Where is the scapula?

Shoulder blade, large bone extending up back

Where is the humorous?

Largest bone in upper arm, extends from elbow to shoulder

Where is the radius?

Small bone on thumb side of forearm

Where is the ulna?

Small bone on pinky side of forearm

Where are the carpals?

Forms wrist

Where are the metacarpals?

Forms palm of hand

Where are the phalanges?

Forms fingers, from center to the tip

Bones in foot to form digits

Where is the femur?

Thigh bone (largest bone in body)

Where is the patella?

Kneecap

Where is the tibia?

Shin bone, Inner bone, big toe side

Where is the fibula?

Outer bone, pinky toe side

Where is the Talus?

Anklebone

Where are the tarsals?

Makes up mid foot and rear foot

Where are the metatarsals?

Bones in foot that connect phalanges to tarsals