Define and explain the importance of the blood-brain barrier
What will be an ideal response?
The blood-brain barrier is a structural system of tight cellular junctions. Many substances are
prevented from passing from the blood to the neurons because of these cellular junctions. This
provides protection for the neurons from microorganisms and toxins.
Biology & Microbiology
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“Tardigrada” means
a. tough exoskeleton. b. many proglottids. c. slow walker. d. short digestive system. e. coelom.
Biology & Microbiology
Which region contains the largest amount of the global carbon pool?
A) fossil fuels B) aboveground terrestrial systems C) ocean D) atmosphere
Biology & Microbiology
Which one of the following is a human blood type?
A) E+ B) B- C) ABO- D) Rh E) Rh+
Biology & Microbiology
Based on the outcome for plants, a monkey eating a banana is a
A. disperser. B. fertilizer. C. pollinator. D. parasite.
Biology & Microbiology