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Half of your bones: Are in your hands and feet

Knuckles: Are the ends of your metacarpals

Supporting your weight: Two bones in your feet carry most of your weight
Fingers and toes

More than half of the bones in your body are found in your hands and feet. There are 27 in each hand and 26 in each foot, and the way that they are arranged is remarkably similar.

If you bend your fingers,
Fractures

If you haven't broken a bone yourself, you probably know someone who has. There are many different types of fracture, the most common of which is a simple fracture, when a bone breaks cleanly. If you put out your arms when you fall, you could end up with an impacted fracture, where the ends of two bones are forced into one another. A sharp sudden twist of a bone in a game of football
Thighbone: Is the longest, largest, strongest bone in your body

Kneecap: Is embedded in your quadriceps muscle
Long and strong

Your leg bones are the longest and strongest bones in your body. When you stand or walk, all the weight of your upper body rests on them. Each leg is made up of four bones. The three long bones are your femur, your tibia and your fibula. The fourth bone is your sma
Adult skeleton: Contains 206 bones

Bone marrow: Red marrow makes blood cells. Yellow marrow stores fat

Two types of bone: Dense compact bone and lightweight spongy bone
Alive

Your bones are strong enough to support your weight, but light enough to allow movement. They protect your delicate internal organs and act as a storehouse for minerals, such as calcium. Despite appearing dry and
Shoulder socket: Is made by your collarbone and shoulder blade

Ulna: You often rest your ulna on the table
Shoulder

Your shoulder is made up of a collarbone (clavicle) and a shoulder blade (scapula). These bones project out from your body forming a scaffold for your arm to hang from.

Your collarbone is a thin bone that bridges the top of your sternum, in the front of your ribcage, to yo
Fusing bones: Babies' skeletons have 300 parts, adults' have 206

Long bone growth: Stops around the end of puberty
Babies have more cartilage than bone

The skeleton of a newborn baby is made up of more than 300 parts, most of which are made of cartilage. Over time, most of this cartilage turns into bone, in a process called ossification. As the baby grows, some of its bones fuse together t
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Smooth muscle: Found in the walls of hollow organs
Cardiac muscle: Exists only in your heart
Skeletal muscle: Produces movement, maintains posture, stabilises joints and generates heat



Three types of muscle

You've got around 650 muscles in your body, and they make up roughly half of your bodyweight. These muscles can be divided into three different groups: skeletal, smooth and cardiac
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