1.What is the funtion of back bone ?

2.What is ribcase ?

3.What are the characteristics of muscles ?

Dear Student,

• Backbone provides support, movement and protection to the spinal cord.
• Ribcage protects many vital organs such as heart and lungs.
• Various characteristic of muscles are elasticity, contractility, entensibility and excitability.

Hope this answer helps,

Cheers!!