GCU BIO-201 EXAM PACKAGE DEAL GRADED A+

What is an articulation? - joint where two bones meet why do we have articulations and joints? - movement Synarthrosis - no movement, very strong joint Amphiarthrosis - slightly moveable joint diarthrosis - freely moveable joint joint capsule - surrounds the joint articular cartilage - covers ...

Trapezius Origin - Occipital bone, ligamentum nuchae, thoracic spinous process Trapezius Insertion - Acromion and spine of the scapulae Trapezius Action - Retraction depression or upward rotation of the scapula, elevating the clavicle or extending the neck Rhomboid Major Origin - Spinous process...

Neuron Structure - dendrites, cell body, axon dendrites - short, highly branched signal receptive regions of the nerve cell. Convey incoming message toward cell bodies each nerve cell (neuron) has only one - axon axon - impulse generating and conducting region of neuron myelin sheath - Whitish ...

synarthroses - immovable joints, found in places such as the sutures of the skull Amphiarthrosis - slightly movable joint in places like the innervertebral discs diarthroses - freely movable joints, found in places such as the shoulder synovial joints - freely movable joints that connect bones wi...

Central Nervous System - brain and spinal cord Rostral - toward forehead Caudal - Toward cord longitudinal fissure - divides cerebral hemispheres Gyri - folds Sulci - grooves cortex - surface layer of gray matter Nuclei (in brain) - deeper masses of gray matter ("mini brains" cluster of ce...

What are the 5 layers of the skin? (From deep to superficial) - Stratum basale Stratum spinosum Stratum granulosum Stratum lucidum (only in palms and soles of feet) Stratum Corneum What causes osteoporosis? - Deficiency of calcium What hormone is released when CA levels are too high? - Calcit...