Imagine ? person stepping on a pin and pulling his or her foot way look at the réfléchir arc of the scenarios below

Choice C:  The brown circle A is a receptor, and the blue circle B is an effector.

Explanation:

Which of the following statements best describes the image?

a.  The brown circle A shows neurotransmitters being released, and the blue circle B shows neurotransmitters being absorbed.

b.  The brown circle A is an effector, and the blue circle B is a receptor.

c.  The brown circle A is a receptor, and the blue circle B is an effector.

d.  The brown circle A shows neurotransmitters being absorbed, and the blue circle B shows neurotransmitters being released.

The answer is atmosphere. there are four spheres of the earth: 1. geosphere (from greek word 'geo' = ground), 2. hydrosphere (from greek word 'hydro' = water), 3. biosphere (from greek word 'bio' = life), and 4. atmosphere (from greek word 'atmo' = air). a magnetosphere is a region of space around astronomical objects controlled by the magnetic field of that object. through the process of elimination, since lightning is present in the air, it can be found in the atmosphere.

When a virus infects a host cell, it uses the cell's machinery to make copies of its own genetic material in a process called replication. finally, during the process of self-assembly, that protein shell and the copies of the virus's genetic material are assembled into new viruses.