The small size and biconcave shape of this cell gives it flexibility and allows its easy passage through small channels. It is a ________
A) sperm cell
B) smooth muscle cell
C) red blood cell
D) simple squamous epithelial cell
Ans: C) red blood cell
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For over a decade the blood of a mammal contains a certain cell type in its immune system. One day the cell recognizes an antigen that it had previously encountered, binds to it, and triggers an immune response. What kind of cell would react in this way?
A) T cell B) Monocyte C) Eosinophil D) Memory cell
Label muscle "B" on the diagram
A. orbicularis oculi B. temporalis C. trapezius D. sternocleidomastoid E. masseter
What is otitis media?
A. An infection of the inner ear B. An infection of the middle ear C. An infection of the outer ear D. None of these answers are correct.
The auditory ossicles are the malleus, the incus, and the ________.
Fill in the blank(s) with the appropriate word(s).