B lymphocytes produce antibodies and provide _____________immunity, which is effective against circulating bacterial and viral infections.
Fill in the blank(s) with correct word
Answer: humoral
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A professor gave the following analogy of kidney function to his freshman biology class: "Imagine your desk is a disorganized mess, containing things worth keeping and things you should throw out. Instead of picking through each item one by one and considering if it is to keep or toss, you sweep your arm across your desktop in one smooth motion, knocking the entire contents of the desk into your
large trash can. Then you pull the items you want to keep out of the trash can and place them back on your desk." In what ways is this analogy accurate? In what ways is it inaccurate? Some students in his class argue that the kidneys are inefficient and poorly designed. How should the professor respond? What modern medical device may he cite in his response? What will be an ideal response?
Emphysema can be brought on by recurrent episodes of asthma and/or chronic bronchitis
Indicate whether the statement is true or false
Oppositely charged ions in solution are prevented from combining by
A) heat capacity of water. B) hydration spheres. C) water's nonpolar nature. D) free radicals. E) hydrogen bonding.
The three unpaired arteries arising from the abdominal aorta are the ___________
A. renal artery, hepatic artery, common iliac artery B. lumbar artery, celiac trunk, gonadal artery C. hepatic artery, lumbar artery, common iliac artery D. superior mesenteric artery , inferior mesenteric artery, gonadal artery E. celiac trunk, superior mesenteric artery, inferior mesenteric artery