KERALA PSC / CDPO / BIOLOGY / BONES / NOTES / OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE / KERALA PSC PRELIMINARY

 

KERALA PSC / CDPO / BIOLOGY / BONES / NOTES / OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE / KERALA PSC PRELIMINARY

KERALA PSC / CDPO / BIOLOGY / BONES / NOTES / OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE / KERALA PSC PRELIMINARY

·      Human skeleton is made of bones and cartilages

·      Largest and longest bone is femur (thigh bone)

·      The shortest bone in the human body is stapes or stirrup bone in the middle ear

·      Human bones are made up of Calcium phosphate and Calcium carbonate

·      The total number of bones in human skull is 29

·      The total number of bones in an adult human body is 206

·      A new born baby has 300 bones, but 94 bones fuse together as it grows

·      There are 24 ribs in human body

·      The total number of ear bones are six

·      In an adult human being, the number of vertebrae is 26. Neck region of human has 7 bones.

·      The face of a man is made up of 14 bones

·      Phosphate of lime forms 51% of bone

·      The bones contain calcium phosphates upto 85%

·      The smallest bone in the human body is the stapes (stirrup) found in the middle ear

·      Bone marrow contains the parent cells that give rise to blood cells.

·      ‘Funny Bone’ is a nerve at the back of the elbow.

·      Cranium is the Brain box that encloses brain

·      Ethmoid is the bone of Nasal chamber

KERALA PSC / CDPO / BIOLOGY / BONES / NOTES / OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE / KERALA PSC PRELIMINARY