The fetal skull contains membranous regions called ________ that allow flexibility for brain growth and passage through the birth canal.
A. fontanels
B. ossification centers
C. palates
D. elastic cartilages.
Answer: A
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Which processes does urea undergo within the kidney?
A. It is filtered but neither reabsorbed nor secreted. B. It is filtered and can be reabsorbed and secreted. C. It is filtered and can also be secreted but not reabsorbed. D. It is not filtered nor reabsorbed but can be secreted. E. It is not filtered but can be secreted and reabsorbed.
Cells are found in the sinusoids of the liver that remove debris from the blood as it flows past are called ________ macrophages
Fill in the blanks with correct word
When one exercises at maximum levels, only the blood supply to the ________ is unaffected.
A) lungs B) liver C) brain D) skin E) skeletal muscles
What is the specialized capillary network called inside each ventricle where cerebrospinal fluid is produced?
A) ependymal cells B) choroid plexus C) neurons D) astrocytes