Select the correct statement with respect to locomotion in humans:

Options

(a) Accumulation of uric acid crystals in joints causes their inflammation
(b) The vertebral column has 10 thoracic vertebrae.
(c) The joint between adjacent vertebrae is a fibrous joint
(d) The decreased level of progesterone causes osteoporosis in old people.

Correct Answer:

Accumulation of uric acid crystals in joints causes their inflammation

Explanation:

Vertebral column has 12 thoracic vertebrate. The joints between adjacent vertebrae is cartilaginous joint which permits limited movements. Progesterone is secreted by corpus luteum which supports in pregnancy in females.