8 public questions tagged with this topic.
The cranium is a bony structure that encloses and protects the brain. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.
Ref: NCERT Biology Textbook for Class XI and XII (Zoology section), Chapter: Human Physiology - Digestion, Respiration, Circulation, Neural Control and Chemical Coordination, Topic: Organ system functions and hormonal regulation.
The femur is a part of the appendicular skeleton, while the sternum, ribs, and vertebrae are part of the axial skeleton.
Ref: NCERT Class 11 Biology Chapter 17: Locomotion and Movement Skeletal System - Axial Skeleton - Ribs Sternum
The stapes, located in the middle ear, is the smallest bone in the human body.
Ref: NCERT Class 11 Biology Chapter 17: Locomotion and Movement Skeletal System - Axial Skeleton - Ribs Sternum
The adult human skeletal system consists of 206 bones.
Ref: NCERT Class 11 Biology Chapter 17: Locomotion and Movement Skeletal System - Axial Skeleton - Ribs Sternum
The occipital bone forms the back and base of the skull and contains the foramen magnum.
Ref: NCERT Class 11 Biology Chapter 17: Locomotion and Movement Skeletal System - Axial Skeleton - Skull Vertebral Column
The mandible is the only movable bone of the skull and forms the lower jaw.
Ref: NCERT Class 11 Biology Chapter 17: Locomotion and Movement Skeletal System - Axial Skeleton - Skull Vertebral Column
The sacrum is composed of fused vertebrae, and the total vertebral column has 26 vertebrae.
Ref: NCERT Class 11 Biology Chapter 17: Locomotion and Movement Skeletal System - Axial Skeleton - Skull Vertebral Column
The thumb joint (between the first metacarpal and the trapezium bone) is an example of a saddle joint.
Ref: NCERT Class 11 Biology Chapter 17: Locomotion and Movement Types of Movement - Amoeboid Ciliary Flagellar Muscular
