What is the way that spider form the silk in their bodies

Well they have something in their butt that they form and silk comes out

Or you can just search Google 'cause most of the people including me don't know the answer.

The virus is considered to be are living item since they have hereditary material dnas or rnas. they can imitate and change. they respond to boosts, for example, radiation, chemicals, and warmth. they have antigenic properties. they are proficient to duplicate with a same hereditary constituent.