Question

Subject -- Science
Date
1. Make a model of backbone.
Material required - Spools of thread, some large buttons and a
pipe cleaner
Procedure - Thread the pipe cleaner through the spool, then a
button, again a spool and then a button ull you have used all the
spools and buttons. The spools represent the bones or vertebrae, the
buttons represent the discs between the vertebrae and the pipe
cleaner represents the spinal cord inside the backbone. You have a
model of the backbone.​

Answer 1

Answer:

This one you have to make it