Skeletal System Flashcards
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
The _____, _____ and _____ fuse to form the pelvic girdle.
ilium, ischium and pubis
The longest, strongest and heaviest bone of the body located in the thigh area
Femur
The medial and larger of the 2 bones of the lower leg
Tibia
The lateral and smaller of the two bones of the lower leg
Fibula
The bones in the ankle
Tarsals
5 long bones of the foot are concave on the plantar or lower surface
Metatarsals
The bones of the toes
Phalanges