HUBS 191 Lecture 3 Flashcards
what are the functions of the skeleton
support, movement, protection, storage, red blood cell formation
what type of bone is densely packed and good at transmitting force in one direction
compact bone
what type of bone is light and spongy and composed of criss-crossing fibres that all run in different directions.
cancellous/trabecular bone
what are long bones
bones that are longer than they are wide.
what are short bones
bones close to equal width and length
what are flat bones
bones that are flat and usually used for muscle attachment or protection
what are irregular bones
this is an umbrella term for bones that don’t seem to fit into any other category. they often have foramina (holes)
what is the axial skeleton composed of
the skull, spine, sternum and ribs
how many cervical vertebrae are there
7
how many thoracic vertebrae are there
12
how many lumbar vertebrae are there
5
what order are the vertebrae in
cervical, thoracic, lumbar, sacrum, coccyx
how many pairs of ribs are there
12 (they join your thoracic vertebrae via cartilage)
what is the appendicular skeleton
the appendicular system is mostly composed of the limbs
what bones are in our hands
8 carpals, 5 metacarpals, and 14 phalanges (only 2 in the thumb)
what bones are in our feet
7 tarsals, 5 metatarsals and 14 phalanges
what is the pectoral girdle made up of
the clavicle and scapula
what makes up the pelvic girdle
2 hip bones, the sacrum and the coccyx
