Muscles make up almost half of how much we weigh. There are about muscles in the human body. The most important one is the heart. There are three different kinds of muscles — skeletal, smooth and cardiac. Involuntary muscles like the heart move without us thinking about it. Voluntary muscles are found in places like our arms and legs — we decide when we want to move them.
The largest muscle is called the gluteus maximus, in your bottom. It helps you walk. Moving a muscle involves contracting it pulling it and relaxing it letting it rest. Did you know… about bones: The skeleton has two main jobs to do — it supports us and protects our vital organs.
When the skeleton and muscles work together, we can move around. When you were a baby, you had over bones in their body — as you grew, some of the bones joined up which is why you have bones now. Giraffes and humans have the same number of bones in their necks!
Your hand has 27 different bones in it! It takes months for a broken bone to heal. Did you know… about muscles: There are more than 30 muscles in your face. The rest is made from fibres. Hold your arm out level with the ground. Now bend your arm so that your hand is pointing upwards. Moving your muscles burns energy , which you get from food.
Can you spot the following in the gallery of images: The four main categories of bones Bones in the arm The main bones in the human skeleton Cross-section of a bone A look at the muscles in the human body, front and back A detailed diagram showing bones, muscles, tendons and ligaments.
Ligaments connect bones to other bones. Bones have three parts: Underneath this is cortical bone — also called compact bone — which is smooth and hard.
There are four main kinds of bones: Long Short Irregular Flat Muscles There are three kinds of muscles — smooth, cardiac and skeletal. Skeletal muscles are also called voluntary muscles, because you can control when you move them. Another type of muscle injury is a sprain — this happens when a tendon is pulled. There are four main muscle shapes: Spindle-shaped muscles, which are thick in the middle and thinner at the ends, such as your biceps and triceps in your arm Flat muscles, such in your forehead Triangular muscles, such as the deltoid muscles in your shoulder Circular muscles, which are shaped like rings, such as around your mouth Words to know: Take this quick quiz on muscles and the skeleton.
How quickly can you build a skeleton? Bone up on your skeleton knowledge with this fun quiz. Take this quick, interactive muscle quiz. Put the bones in the correct places in this challenging game about the human skeleton suitable for Years 5 and 6.
Students will also be encouraged to reflect upon their performance and develop their critical and evaluative skills through formal written self-assessments at the end of each term.
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Interactive Key Stage 3 maths, science and English orksheets to help your child. Education resources, designed specifically for parents s of English, maths and science resources for Key stage 3. We'll automatically assign topics to your child based on their year and adapt their progression to help them succeed. Measure progress. 18 homework projects on key stage 3 science, linked to the Exploring Science scheme of work. 7A - Cells 7B - Reproduction 7C - Adaptations 7E - Acids and Alkalis 7F - Chemical reactions 7H - Solutions 7I .