Skeletal System Flashcards
(32 cards)
Bones of the skeletal system provide ____________
rigid support and protection for vital organs
_______, ________and ________ hold the skeleton together and allow for the movement of the body.
Muscles, tendons and ligaments
The _______ coordinates muscle movements.
The nervous system
Many blood cells are formed in _________ found in the central opening of certain bones.
bone marrow
This is the _______, the bony framework of the head composed of the cranial and facial bones.
Skull also known as cranium
What is maxilla and mandible?
maxilla = upper jaw
Mandible = lower jaw
The skull houses and protects the _____.
brain
The _______ are any of the 33 bones of the vertebral column
Vertebrae
The vertebral column is comprised of:
____ cervical
____ thoracic
____ lumbar
____ sacral
____ coccygeal
7 cervical
12 thoracic
5 lumbar
5 sacral
4 coccygeal
The ________ and ________ vertebrae are fused into single units.
sacral and coccygeal
The spinal cord is protected by the _________
vertebrae
- Provides attachment of the clavicle and the humerus
- The blade portion extends downward over the dorsal surface of the rib cage
Scapula (shoulder blade)
- This is the elongated, slender curved bone of the anterior shoulder
- Extends laterally from the top of the sternum to the scapula
Clavicle (collar bone)
The junction of the sternum and clavicle is an important landmark in locating the __________.
internal carotid artery
- Found on the midline of the anterior chest wall
- It extends from the throat down to the abdominal area
- The anterior and of each rib is attached to the sternum
Sternum
- 12 pairs of narrow, curved bones that extend from the vertebrae to the sternum
- The upper 7 enclose the thoracic or chest cavity and protect heart and lungs
- **Lower 5 enclose part of the abdominal cavity
Ribs
The long bone of the upper arm
Humerus
- The shorter and the lateral of 2 bones of the forearm
*It attaches on the thumb side of the wrist
Radius
*The medial and longer bone of the forearm
* It attaches on the little finger side of the wrist
Ulna
The wrist bones
Carpals
- 5 long bones of the hand
- They are slightly concave on the palmar surface
Metacarpals
Bones of the fingers
Phalanges
- 3 pairs of bones
- It attaches to the lower spine, provides support for the internal organs and has sockets where the upper leg bones (femurs) attach
Pelvic girdle