The lacrimal glands
A) are located in pockets in the lacrimal bones.
B) produce only about 20% of the volume of tears.
C) produce a slightly acidic secretion that contains lysozyme.
D) have a dozen or more ducts.
E) function only intermittently.
D) have a dozen or more ducts.
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Which disease is caused by a protozoan?
A) Strep B) Malaria C) Candidiasis D) Shingles
Which of the following determines lung compliance?
A) muscles of inspiration B) alveolar surface tension C) airway opening D) flexibility of the thoracic cage
When the bladder wall is distended as a result of urine accumulation, the stretch receptors are stimulated and send afferent impulses to the spinal cord that
a. stimulate parasympathetic nerves, which return to the bladder and cause it to contract. b. inhibit the motor neurons that normally keep the external urethral sphincter closed. c. stimulate nerves that go to the kidney and prevent glomerular filtration until the bladder is empty. d. both (a) and (b) above. e. all of these answers.
Using external features, briefly describe how you can determine the difference between a male and a female fetal pig
What will be an ideal response?