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Pulmonology › ViewThe trachea
A. is lined by dense regular connective tissue.
B. is reinforced with C-shaped cartilages.
C. contains the vocal cords.
D. always maintains the same diameter.
E. ends distally at the level of the diaphragm.
Musculoskeletal System › View
What is the function of the femur in the human body?
A. Protects our heart and lungs
B. Allows us to move our mouths to chew food
C. Protects our brain
D. Found in our legs for movement