Describe the mechanisms by which lymphatic fluid is moved through the lymphatics
What will be an ideal response
Lymphatic fluid is moved through the lymphatics by the milking action of active skeletal muscles, pressure changes within the thorax during breathing, valves to prevent backflow, and pulsation of adjacent arteries.
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Which of the following muscles is not a respiratory muscle?
A. Diaphragm B. External intercostal C. External oblique D. Internal intercostal
Ralph is taking SCUBA diving classes and is confused as to why he should not hold his breath under water while ascending–his instructor told him he must exhale continuously. What would you tell him?
What will be an ideal response?
When you are exposed to bright light, a reflex is initiated and the muscles of your iris contract to decrease your pupil size. The iris muscles are acting as a(n)
A. control center. B. effector. C. receptor. D. positive feedback.
A pressure (decubitus) ulcer that has a skin break through all layers of the skin is classified as stage _____.?
A) ?I B) ?II C) ?III D) ?IV