Skeletal System
How many bones are in the body?
206
What does the epimysium cover?
The entire muscle
What are the two main divisions of the Nervous System?
Central Nervous System (CNS) and Peripheral Nervous System (PNS)
How many directions do valves let blood flow?
One
What organ occupies most of the thoracic cavity?
The lungs
What connects bone to bone?
Ligaments
What type of muscle is voluntary?
Skeletal Muscle
What are the two types of neurons?
Sensory neurons and Motor neurons
Where do arteries carry blood?
Away from the heart
What are the organs of the respiratory system?
Nose, pharynx, larynx, trachea, bronchi, lungs
List 3 of the synovial joints.
Hinge, Saddle, Pivot, Condyloid, Plane, Ball-and-socket
What part of the myofilament gets smaller during contraction?
H-zone
What are the 4 lobes of the brain?
Occipital lobe, Temporal lobe, Parietal lobe, and Frontal lobe
What are the three layers of the heart?
Epicardium, Myocardium, and Endocardium
When does the diaphragm and intercostal muscles contract?
During Inspiration
What are the bones in the axial skeleton?
Skull, Hyoid bone, Vertebrae, Ribs, and the Sternum
In order of big to small, list the muscle components.
Whole muscle, Fascicle, Muscle fiber, Myofibril, and Myofilaments
What is the condition when there is gradual shrinking of the neurons in the cerebrum?
Alzheimer's disease
What is the order of the electrical conduction system of the heart?
SA node to the AV node, to the bundle of His, to bundle branches, to purkinje fibers
How do you calculate pulmonary ventilation?
Ve = Vt * breathing frequency