| Question |
Answer |
| How many bones are in the appendicular skeleton? |
126 |
| Which skeleton is the scapula part of? |
appendicular |
| Which skeleton is the clavicle part of? |
appendicular |
| Name the skeletal areas making up the axial skeleton |
skull, vertebral column, sternum and ribs |
| How many bones are in the axial skeleton? |
80 |
| What are the functions of bones? |
muscle attachment, movement, protection, frame, storage and RBC/WBC production |
| What type of marrow is found in the trabeculae of spongy bone? |
red and yellow |
| Flat bones house what kind of marrow? |
red |
| Long bones house what kind of marrow? |
yellow |
| Medullary cavity |
central cavity of a long bone |
| Periosteum |
tough fibrous membrane covering bone |
| Name the tissue lining the medullary cavity |
endosteum |
| Ossification |
development and formation of bones |
| During what stage of life do bones begin to develop? |
2nd month of embryonic life |
| Primary ossification |
irregular and short bone growth and diaphysis growth in utero |
| Secondary ossification |
bone growth at epiphyses after birth |
| At what age to the epiphyseal plates completely ossify? |
21 |
| What type of marrow is found in short bones? |
red |
| Examples of flat bones are the: |
cranial bones, scapulae, and sternum |
| Purposes of flat bones: |
protection and muscle attachment |
| Examples of irregular bones: |
vertebrae, facial bones and pelvis |
| Sesamoid bones develop where? |
in tendons |
| Function of a sesamoid? |
protect sesamoid from excessive wear |
Biology Lab Midterm
