Select the correct statement with respect to locomotion in humans

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

Solution

Accumulation of uric acid crystals in joints causes their inflammation

Inflammation of joints due to accumulation of uric acid crystals is gout. Fibrous joint are formed by the flat skull bones, which fuse end-to-end with the help of dense fibrous connective tissues in the form of sutures to form cranium. The vertebral column is formed by 26 serially arranged units called vertebral. The less secretion of progesterone causes aportion as it basically supports pregnancy.