The choroid plexus secretes about 500 ml of ________ per day, but only about 150 ml is circulating at any time, which means its entire volume is turned over roughly every eight hours.
Fill in the blank(s) with the appropriate word(s).
CSF or cerebrospinal fluid
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The watery fluid component of blood is called
A) plasma. B) lymph. C) interstitial fluid. D) intracellular fluid. E) pus.
Schwann cells differ from oligodendrocytes in which of the following ways?
A. Oligodendrocytes are only found in the PNS; Schwann cells are only found in the CNS. B. Schwann cells form sheaths around several axons, while oligodendrocytes form sheaths around only one axon. C. Schwann cells form myelin; oligodendrocytes do not. D. Schwann cells form a myelin sheath around a portion of only one axon, while oligodendrocytes can surround portions of several axons. E. None of the choices are correct.
Untreated streptococcal infections in childhood can lead to the kidney condition known as ________
A) cystitis B) hypospadias C) urethritis D) glomerulonephritis
Red marrow
A. is located in the cavities of compact bone. B. produces blood cells. C. is located in the epiphyseal plate. D. All apply.