The dog's bones are very strong.

Bone marrow contains a lot of blood cells.

Cactus is a common xerophyte plant in the desert region.

Osteichthyes is a group of animals with a backbone.

The human vertebral column consists of 33 bones.

Bone marrow is the soft tissue inside the bone.

The mother has osteoporosis due to calcium deficiency.

The crown of thorns is a very popular ornamental plant for decorating houses.

The ribs of humans protect important internal organs.

The human pelvis consists of the hip bone, sacrum, femur, and coccyx.