Which statements describe functions of the backbone? Check all that apply.
A. It supports the body’s weight.
B. It helps to break down food.
C. It surrounds and protects the brain.
D. It replaces the spinal cord in vertebrates.
E. It allows for flexibility and movement.
F. It helps regulates water balance.
Backbone is the part of skeletal system and is made of 26 vertebrae in total. The backbone and bones of lower limbs together serve to support the body's weight. Backbone surrounds and protects the spinal cord. Since the vertebrae of backbone are joints together by synovial joints, it allows the flexibility and movement of organisms.
