Nerve fibres are surrounded by an insulating fatty layer called :

The muscles fibre is surrounded by

Each nerve fibre in a nerve is surrounded by a layer of connective tissue , known as

Each nerve fibre in a nerve is surrounded by a layer of connective tissue , known as

Each nerve fibre in a nerve is surrounded by a layer of connective tissue , known as

Each nerve fibre in a nerve is surrounded by a layer of connective tissue , known as

A gas contained in a cylinder surrounded by a thick layer of insulating material is quickly compressed. Has there been a transfer of heat?

A gas contained in a cylinder surrounded by a thick layer of insulating material is quickly compressed. Has work been done?