What structures serve to heat and humidify the air as it enters the body through the nose? (
What will be an ideal response?
Nasal conchae or turbinates—they are densely covered with highly vascularized epithelia, which also answers the question, “Why do we get nosebleeds?”
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Sympathetic responses generally are widespread because ________
A) preganglionic fibers are short B) inactivation of ACh is fairly slow C) NE and epinephrine are secreted into the blood as part of the sympathetic response D) preganglionic fibers are long
The iliac fossa is found in which region of the ilium?
A. The posterior lateral surface B. Superior to the acetabulum C. The posterior medial surface D. The posterior surface above the anterior gluteal line E. The anterior surface
In vivo, muscles are usually positioned at a relaxed length that is approximately 80% of their optimal length which maximizes contraction strength
Indicate whether the statement is true or false
Which axial muscle is often known as the "six-pack" in physically fit people?
A) trapezius B) pectoralis major C) latissimus dorsi D) transversus abdominis E) rectus abdominis