BIOD 151 Module 4 Notes Questions and Correct Answers
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Course
BIOD 151
Institution
BIOD 151
Thoracic cage
~ all twelve pairs of ribs connect directly to the thoracic vertebrae posteriorly
Ribs 1-7 connect directly to the sternum.
Ribs 8-10 connect to the sternum indirectly via shafts of cartilage to the sternum.
The lower two pairs of ribs (ribs 11 and 12) are called "floating ribs"...
BIOD 151 Module 4 Notes
Questions and Correct Answers
Long bones
✓✓~ long and thin, designed to support body weight and enable movement
Flat bones
✓✓~ Skull, ribs, breastbone
produce blood cells
Short bones
✓✓~ Small, cubical shaped, solid bones that usually have a proportionally large articular surface
in order to articulate with more than one bone
ex: carpals and tarsals
Irregular bones
✓✓~ varied in structure with ridges or irregular surfaces.
The vertebrae are irregular bones designed to protect the spinal cord as well as
enable spinal movements.
The pelvic bones (ilium, ischium, and pubis) are also irregular bones.
, Sesamoid bones
✓✓~ small and round, reinforcing tendons. The patella is an example of a sesamoid bone.
bone landmarks
✓✓~ distinct markings, ridges, grooves, or holes in bones
Allow for tendons to attach, indicate where nerves and blood vessels run alongside
the bone or penetrate the bone to provide blood and nervous supply
Foramen, canal, fissure
✓✓~ openings in bone to allow for nerves, blood supply, or a passageway
Sinus
✓✓~ hollow chamber in bone, usually filled with air
lined by mucous membrane in cranium
reduce the weight of the skull and give a resonant sound to the voice
Process, ramus
✓✓~ elevations in bone
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