A spider's silk-making organ has hundreds of small openings. silk comes out of these openings as a liquid, and, as it reaches the air, it becomes thread-like. these tiny threads combine to form a single, solid thread.
A spider's silk-making organ has hundreds of small openings. silk comes out of these openings as a liquid, and, as it reaches the air, it becomes thread-like. these tiny threads combine to form a single, solid thread.