What physical changes affect the volume of the lungs?
A) The contraction of the abdominal muscles affect the volume of the lungs.
B) The degree of flexion and extension of the trunk affect the volume of the lungs.
C) The movements of the upper limbs affect the volume of the lungs.
D) The movements of the diaphragm and rib cage affect the volume of the lungs.
E) The contraction of tracheal smooth muscle affect the volume of the lungs.
Answer: D
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Name the bone or bones of the forearm
A) tibia and fibula B) humerus C) femur D) radius and ulna
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Tetraiodothyronine is also commonly referred to as thyroxine
Indicate whether the statement is true or false.