Select the correct statement with respect to locomotion. A decreased level of progesterone causes osteoporosis in old people. Accumulation of uric acid crystals in joints causes their inflammation. The vertebral column has 10 thoracic vertebrae. The joint between adjacent vertebrae is a fibrous joint.

Gout is mainly caused due to deposition of uric acid in the joints. It is a painful condition as it is accompanied by severe consequences. In the joints, these uric acid crystals cause inflammatory arthritis, which in turn leads to intermittent swelling, redness, heat, pain and stiffness in the joints. A decreased level of estrogen causes osteoporosis in old people. The vertebral column has 12 thoracic vertebrae. The joint between adjacent skull bone is a fibrous joint.