Humans have over 200 bones in their bodies, all of which come together to form part of the skeletal system. The skeletal system has a number of different functions which can help to explain the need for bones in the human body. The five basic jobs of bones are as follows: For protection, shape, movement, support and blood production.
To understand how bones provide us with protection, we can look at the examples of the cranium and rib cage, which protect the brain and lungs respectively. Bones are dense and strong, which means they act as barriers in front of soft tissues like the brain and heart to protect them from impact that could otherwise cause severe damage.
Bones also provide us humans with shape. The length and width of the individual bones in our skeletal system determines how tall or short we are, and can also define certain body types - for example, whether or not we have broad/narrow shoulders or wide/narrow hips.
In terms of movement, muscles attach to bones to enable us to move our limbs in different directions. Muscles contract to allow bones to move in many different ways, including when throwing a ball or simply walking in a straight line.
The bones in the human body are also essential for support and structure. Our vertebral columns keep us upright, whilst all of our organs are kept in place during basic movement and more vigorous exercise with the help of the body's various bones.
The fifth and final main function of the skeletal system is for blood production. Red and white blood cells are produced in the marrow of certain bones in our bodies and help transport oxygen around the body and fight against infections such as coughs and colds respectively.
To understand how bones provide us with protection, we can look at the examples of the cranium and rib cage, which protect the brain and lungs respectively. Bones are dense and strong, which means they act as barriers in front of soft tissues like the brain and heart to protect them from impact that could otherwise cause severe damage.
Bones also provide us humans with shape. The length and width of the individual bones in our skeletal system determines how tall or short we are, and can also define certain body types - for example, whether or not we have broad/narrow shoulders or wide/narrow hips.
In terms of movement, muscles attach to bones to enable us to move our limbs in different directions. Muscles contract to allow bones to move in many different ways, including when throwing a ball or simply walking in a straight line.
The bones in the human body are also essential for support and structure. Our vertebral columns keep us upright, whilst all of our organs are kept in place during basic movement and more vigorous exercise with the help of the body's various bones.
The fifth and final main function of the skeletal system is for blood production. Red and white blood cells are produced in the marrow of certain bones in our bodies and help transport oxygen around the body and fight against infections such as coughs and colds respectively.