Skeletal System Flashcards
How many irregular bones are in the vertebrae
33
What are the 5 sections of the vertebral column?
Cervical, thoracic, Lumbar, Sarcral, coccyx
How many vertebrae are in the Cervical.
7
How many vertebrae are in the Thoracic
12
How many vertebrae are in the Lumbar
5
How many vertebrae are in the sacral
5 vertebrae all fused together.
How many vertebrae are in the coccyx
4 vertebrae fused together
What is Kyphosis
An excessive outward curve of the spine, it can cause the appearance of a hunchback
What is Scoliosis
The abnormal curve of the spine to the left or right.
What is the main core of the axial skeleton
the skull, the thoracic cage and the vertebral column
What bones consist in the appendicular skeleton
Upper limbs, lower limbs, shoulder girdle and pelvic girdle
What is the function of a long bone
Provides leverage (movement)
Produced red blood cells
What is the function of a short bone
weight bearing
What is the function of the flat bone
protection of vital organs
What is the function of irregular bone
protection of the spinal cord
What is the function of a sesamoid bone
reduced friction across a joint
Where is red bone marrow produced
Spongy bone
Where is yellow marrow produced
Marrow cavity
What is the outmost layer of long bone
periosteum
What is ossification
the process of which bones grow throughout their life, turning bones from cartilage to bone.