How does the skeleton protect the body against infection?

The vertebral column holds the body upright. Movement – muscles are attached to bones, which are jointed. When the muscles contract the bones move. Blood production – red blood cells (to carry oxygen) and white blood cells (to protect against infection) are produced in the bone marrow of some bones.

How does the skeleton protect the body?

Protection – the bones of the skeleton protect the internal organs and reduce the risk of injury on impact. For example, the cranium protects the brain, the ribs offer protection to the heart and lungs, the vertebrae protect the spinal cord and the pelvis offers protection to the sensitive reproductive organs.

How does the skeleton protect and support?

The skeleton supports the body against the pull of gravity. … The skeleton also protects the soft body parts. The fused bones of the cranium surround the brain to make it less vulnerable to injury. Vertebrae surround and protect the spinal cord and bones of the rib cage help protect the heart and lungs of the thorax.

What are the 6 functions of the skeleton?

It is composed of 270 bones at birth and decreases to 206 bones by adulthood after some bones have fused together. The human skeleton serves six major functions: support, movement, protection, production of blood cells, storage of ions, and endocrine regulation.

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Which organs are protected by bones?

Function

  • Allows movement: Your skeleton supports your body weight to help you stand and move. …
  • Produces blood cells: Bones contain bone marrow. …
  • Protects and supports organs: Your skull shields your brain, your ribs protect your heart and lungs, and your backbone protects your spine.

Which bones protect the lungs?

The ribs are connected to the sternum with a strong, somewhat flexible material called cartilage. The rib cage help protects the organs in the chest, such as the heart and lungs, from damage.

Do females have more bones than males?

Males have larger skeletal size and bone mass than females, despite comparable body size.

Who has more bones male or female?

Within the same population, males tend to have larger, more robust bones and joint surfaces, and more bone development at muscle attachment sites. However, the pelvis is the best sex-related skeletal indicator, because of distinct features adapted for childbearing.