Ch. 8
An osteon is the functional unit to this
Compact bone
The shoulder joint is an example of this type of synovial joint
Ball-and-socket joint
Thin filament is also called this
Actin
Name the bone cell that builds bone matrix
Osteoblast
This attaches bone to bone
Ligament
The weight-bearing bone of the lower limb; also called the "shin"
Tibia
The functional classification is joints that is immovable
Synarthrosis
The characteristic of skeletal muscle that allows for it to return to its original shape
Elasticity
The smallest structural and functional unit of all living things
Cell
Which mineral is important for both bone health and muscle contractions
Calcium!
From superior to inferior, name the regions of the vertebrae
Cervical, thoracic, lumbar, sacrum, coccyx
Name the 3 structural classifications of joints
Fibrous, cartilaginous, and synovial joints
The functional unit of skeletal muscle is called this
Sarcomere
The layer of skin with connective tissue and nervous tissue
Dermis
Intervertebral discs can absorb shock because it is this structural classification of a joint
Cartilaginous
Blood cell production occurs here
Red bone marrow (of spongy bone)
The functional AND structural classification of the pubic symphysis
Amphiarthrosis; cartilaginous
The connective tissue layer that covers a single fascicle
Perimysium
Which major tissue type is avascular?
Epithelial tissue
Name the neurotransmitter that helps propagate an action potential in muscle contraction
Acetylcholine (ACh)
Name the 3 functions of paranasal sinuses
Warms/humidifies air, lightens the skull, enhances voice resonance
Name the fibrous joint that prematurely fuses in infants causing their skull to grow either anteriorly or posteriorly, causing an elongated head shape
Sagittal suture
Name the 5 characteristics of skeletal muscle
Excitability, Extensibility, Elasticity, Conductivity, Contractility
The cell organelle that sorts, packages, and distributes proteins and lipids
Golgi apparatus
How many phalanges are found in each hand and foot?
14