Human System
Skeletal system
- Osteology-is the study of skeleton. The of a vertebrate is divided into two groups-
- Endoskeleton in vertebrates includes elements made of living skeletal connective tissue called cartilages and bone.
- Exoskeleton-is non-living and derived either from epidemies or dermis of skin.
- Total number of bones in human endoskeleton are 206,While newly born Baby have 300 bone.
- Femur is longest bone While stapes is smallest bone.
- Arthrology is the study of joints.
- Fibula is the thinnest bone.
- Tibia is called shinbone. it is the second longest bone.
- Sternum is absent in fishers.
- Tibia-Fibula is the longest bone of frog.
- Funny bone is a bone found in bend of the elbow.
- Spondylitis is in