BIO 117 Study Guide:Exam 2
How many bones are in the skeletal structure? - ANSWER:206
What kind of tissue is bone - ANSWER:Connective tissue, specifically Osseus tissue
What two parts is our skeleton divided into? - ANSWER:Axial and Appendicular
What does the axial skeleton consist of? - ANSWER:Skull, spine, sternum, and ribs
Parts of the skull - ANSWER:Cranium, facial bones, middle ear (Ossicles), hyoid
Regions of the spine (Vertebral Column) - ANSWER:7 Cervical vertebrae
12 Thoracic vertebrae
5 Lumbar vertebrae
Sacrum (made of 5 fused sacral vertebrae)
Coccyx (made of 3-4 fused coccygeal vertebrae)
What is located between each region of the vertebral column that helps with movement and protection?
- ANSWER:Cartilage
Regions of the sternum - ANSWER:Top: Manubrium
Middle: Sternal body
Bottom: Xyphoid process
Where are the ribs (Costae) located? - ANSWER:Connected to the thoracic vertebrae, connected to the
sternum by cartilage.
How many ribs are there? - ANSWER:7 True ribs
4 False ribs
Where is the Tympanic Cavity? - ANSWER:Located in the temporal bone (Behind the eardrum)
Contains the ossicles
Eardrum = Tympanic membrane
What does the Auditory (Eustachian) tube do? - ANSWER:Connects the tympanic cavity and the
nasopharynx
What are the 4 paranasal sinuses? - ANSWER:frontal, ethmoid, sphenoid, maxillary (FEMS)
What do the paranasal sinuses do? - ANSWER:Help resonate the voice and aid vocal communication
What are the two skeletal girdles? - ANSWER:Pectoral and pelvic (arms and legs)
How many bones are in the skeletal structure? - ANSWER:206
What kind of tissue is bone - ANSWER:Connective tissue, specifically Osseus tissue
What two parts is our skeleton divided into? - ANSWER:Axial and Appendicular
What does the axial skeleton consist of? - ANSWER:Skull, spine, sternum, and ribs
Parts of the skull - ANSWER:Cranium, facial bones, middle ear (Ossicles), hyoid
Regions of the spine (Vertebral Column) - ANSWER:7 Cervical vertebrae
12 Thoracic vertebrae
5 Lumbar vertebrae
Sacrum (made of 5 fused sacral vertebrae)
Coccyx (made of 3-4 fused coccygeal vertebrae)
What is located between each region of the vertebral column that helps with movement and protection?
- ANSWER:Cartilage
Regions of the sternum - ANSWER:Top: Manubrium
Middle: Sternal body
Bottom: Xyphoid process
Where are the ribs (Costae) located? - ANSWER:Connected to the thoracic vertebrae, connected to the
sternum by cartilage.
How many ribs are there? - ANSWER:7 True ribs
4 False ribs
Where is the Tympanic Cavity? - ANSWER:Located in the temporal bone (Behind the eardrum)
Contains the ossicles
Eardrum = Tympanic membrane
What does the Auditory (Eustachian) tube do? - ANSWER:Connects the tympanic cavity and the
nasopharynx
What are the 4 paranasal sinuses? - ANSWER:frontal, ethmoid, sphenoid, maxillary (FEMS)
What do the paranasal sinuses do? - ANSWER:Help resonate the voice and aid vocal communication
What are the two skeletal girdles? - ANSWER:Pectoral and pelvic (arms and legs)
