Flexibility
The joints between individual vertebrae aren't very flexible. But working together they give the spine a wide range of movement, allowing you to arch backwards, bend forwards and twist from side to side. During strenuous movement, strong ligaments and muscles around your vertebrae stabilise your spine and help to control movement.
Vertebrae
Your spine is made up of 33 irregul
human body-Published News
Human Body and Mind - Skeleton Layer - Spine
Posted by humanbodyonline 333 days ago (http://www.bbc.co.uk)Human Body and Mind - Skeleton Layer - skull
Posted by humanbodyonline 333 days ago (http://www.bbc.co.uk)
From flexible to fixed joints
A human skull is almost full sized at birth. However the eight bones that make up the cranium are not yet fused together. This means that the skull can flex and deform during birth, making it easier to deliver a baby through the narrow birth canal. These individual plates of bone fuse together after about 24 months to form the adult skull.
The only bone in your s
A human skull is almost full sized at birth. However the eight bones that make up the cranium are not yet fused together. This means that the skull can flex and deform during birth, making it easier to deliver a baby through the narrow birth canal. These individual plates of bone fuse together after about 24 months to form the adult skull.
The only bone in your s
City centre accommodation
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Human Body and Mind - Skeleton Layer - Ribcage
Posted by humanbodyonline 335 days ago (http://www.bbc.co.uk)
Breathing
Muscles between your ribs lift your ribcage helping your lungs to expand when you inhale. Your ribcage moves down, squeezing air out of your lungs while you exhale.
3 types of rib: True, false and floating
True, false and floating ribs
Your ribcage is assembled from three types of bone - your sternum, 12 pairs of ribs and 12 thoracic vertebrae.
All of your ribs attach to yo
Muscles between your ribs lift your ribcage helping your lungs to expand when you inhale. Your ribcage moves down, squeezing air out of your lungs while you exhale.
3 types of rib: True, false and floating
True, false and floating ribs
Your ribcage is assembled from three types of bone - your sternum, 12 pairs of ribs and 12 thoracic vertebrae.
All of your ribs attach to yo
Human Body and Mind - Skeleton Layer - female pelvis
Posted by humanbodyonline 335 days ago (http://www.bbc.co.uk)
Sex difference: A woman's pelvis is shallower and wider than a man's
Hip joint
Your legs are connected to your pelvis by your hip joint. The head of your femur (thigh bone) fits inside a deep socket in your pelvis called the acetabulum to make your hip joint, which is a 'ball and socket' joint.
Ball and socket joint: Connects your leg to your pelvis
Spinal connection
Your pelvis is joi
Hip joint
Your legs are connected to your pelvis by your hip joint. The head of your femur (thigh bone) fits inside a deep socket in your pelvis called the acetabulum to make your hip joint, which is a 'ball and socket' joint.
Ball and socket joint: Connects your leg to your pelvis
Spinal connection
Your pelvis is joi
Human Body and Mind - Skeleton Layer - Joints
Posted by humanbodyonline 335 days ago (http://www.bbc.co.uk)
Flexibility: Joints enable your body to move
Fixed joints
Some of your joints, like those in your skull, are fixed and don't allow any movement. The bones in your skull are held together with fibrous connective tissue.
Ball and socket joints: Are the most mobile type of joint in your body
Where bones meet
Joints are the place where two bones meet.
All of your bones, except for one (t
Fixed joints
Some of your joints, like those in your skull, are fixed and don't allow any movement. The bones in your skull are held together with fibrous connective tissue.
Ball and socket joints: Are the most mobile type of joint in your body
Where bones meet
Joints are the place where two bones meet.
All of your bones, except for one (t
Spanish in Spain
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