Trace the pathway of tears from the eye to the nose
What will be an ideal response?
The eye and the nasal cavity are connected by a series of passages. Tears from the eyes drain through the lacrimal puncta, to the lacrimal canaliculi, and into the lacrimal sac. The lacrimal sacs are situated in a small depression in the lacrimal bone and carry tears into the nasolacrimal duct. The nasolacrimal duct travels through the lacrimal and maxillary bones into the inferior nasal meatus of the nasal cavity.
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Using the figure below, identify the labeled part.
1) Label A: ______________________________
2) Label B: ______________________________
3) Label C: ______________________________
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9) Label I: ______________________________
10) Label J: ______________________________
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15) Label O: ______________________________
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What does the word lysis mean? (Does the name of the disinfectant Lysol® make sense?)
What will be an ideal response?
Where are sensations integrated with memories of past experiences?
A) limbic system B) frontal lobe C) cerebellum D) parietal lobe
The homeostasis of the body is controlled through a series of steps called a feedback system or feedback loop. One component of such systems is a control center. Which of the following organs would frequently serve as the control center for a feedback system (remember, the control center evaluates the disruption to homeostasis, and it also triggers a response)?
a. skeletal muscles b. brain c. nerve endings in the skin d. blood and lymphatic fluid e. sweat glands