In adolescence the growth of , the fatty tissue that forms around axons and speeds neurotransmission, enables better communication with other brain regions.

Myelin (also called Myelin Sheath).

Explanation:

  This sheath is actually formed by special cells called Shwann Cells, that are wrapped around the axon. These membranous layers of these cells are made up of whitish fatty material. The myelin sheet also increase the speed at which impulses travel along an axon. All these explains how help the brain and other parts to speed neurotransmission and aid better communication.

uses : -

1.aneroid barometers primarily measure whether pressure is rising or falling.

2.aneroid barometers are often used for reading pressure in homes and recreational boats.  

3.other uses may include barographs in meteorology and altimeters in modern aircraft.  

4.this type of barometer can announce whether a high or low pressure system is coming or whether it is becoming more intense.  

5.there are different types of aneroid barometers, such as the altimeter, which measures altitude, or distance above sea level.  

6.another example is a barograph, which is a modified aneroid barometer that provides constant readings of atmospheric pressure on graph paper.  

7.when used in this capacity, the aneroid barometer can store a week's worth of data.

android diameter a device for measuring atmospheric pressure , often specially calibrated for use as an altimeter ,consisting of a box or chamber partially exhaused of air, having an elastic top and a pointer to indicate the degree of compression of the top caused by the external air

refer to the attachment for the characteristics : -

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