Interesting Engineering on MSN
289-million-year-old mummy fossil presents earliest evidence of rib-based breathing
Take a deep breath. Feel your ribs flare, and your chest expand. That simple, ...
Every breath you take is an ancient inheritance. The rise and fall of your chest, the intercostal muscles pulling your ribs ...
The skeleton allows movement, provides support and protection for vital organs and makes blood cells. Skeletal muscles move the bones in the body. The skeletal system is made from bones and joints.
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Red blood cell Carry oxygen Contain haemoglobin (rich in iron) to carry oxygen. Biconcave shape to provide a large surface area for the diffusion of oxygen. No nucleus to provide more space for ...
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