This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: What mechanism prevents or slows some chemicals from entering the brain, while allowing others to ... (Read 83 times)

iveyjurea

  • Hero Member
  • *****
  • Posts: 555
on: Jun 22, 2018
What mechanism prevents or slows some chemicals from entering the brain, while allowing others to enter?
 
  a. a threshold
 b. a blood-brain barrier
 c. an endoplasmic wall
 d. a differential-drug inhibitor

Question 2

Radial glia ____.
 
  a. guide the migration of neurons during embryonic development
  b. synchronize the activity of axons
 c. wrap around the presynaptic terminals of several axons
 d. build the myelin sheaths that surround and insulate certain axons


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bimper21

  • Sr. Member
  • ****
  • Posts: 309
Reply #1 on: Jun 22, 2018
Answer to Question 1

b

Answer to Question 2

a


iveyjurea

  • Member
  • Posts: 555
Reply 2 on: Jun 22, 2018
Excellent

milbourne11

  • Member
  • Posts: 322
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

brain diagram brain diagram
Hormones acting through the brain help regulate metabolism and short- and long-term appetite. Hormones acting through the brain help regulate metabolism and short- and long-term appetite.
Computed tomography (CT) uses X-rays to create a CT scan of the brain. Computed tomography (CT) uses X-rays to create a CT scan of the brain.
Coup and Contrecoup Movement of the Brain Coup and Contrecoup Movement of the Brain
Chimpanzee brain Chimpanzee brain
General mechanism of egg formation in animals General mechanism of egg formation in animals
Video: Bulk flow - Factors that influence bulk flow

For a complete list of videos, visit our video library