Science - Skeleton, muscles and breathing
A short course covering the basics of the skeleton, muscles and breathing. Ideal for students aged 9 upwards for revision, or for adults wishing to learn more on the subjects
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Science - Skeleton, muscles and breathing - Leaderboard
Science - Skeleton, muscles and breathing - Details
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57 questions
| 🇬🇧 | 🇬🇧 |
| What is the name of the opposing muscles in the upper leg? | Hamstring and quadricep |
| What is the name of the opposing muscles in the arm? | Bicep and tricep |
| What are the names of the bones in our feet? | Tarsals, metatarsals and phalanges |
| What are the names of the bones in our legs? | Femur, fibula and tibia |
| What are the names of the bones in our hands? | Carpals, metacarpals and phalanges |
| What are the names of the bones in our arms? | Humerus, ulna and radius |
| What are the four main functions of the skeletal system? | Movement, support, protection and production of red blood cells |
| What does our skeleton support? | Soft tissues |
| Our bones contain a soft tissue called bone marrow, what does this produce? | Red and white blood cells |
| What do red blood cells do? | Carry oxygen around the body |
| What do white blood cells do? | Protect the body from infection |
| What is attached to our skeletal system to allow movement? | Muscles and joints |
| What is the name of the two bones that make up our skull and jaw? | Cranium and mandible |
| What happens when your breathe out to make the air rush out from your lungs? | Diaphram moves up and ribs move down |
| What happens when you breathe in to increase the volume of your chest cavity? | Ribs move up and diaphram moves down |
| Some of the oxygen inhaled into the lungs is absorbed into the blood stream for what purpose? | Respiration |
| What is the name of the small air sacs at the end of each bronchiole where gas exchange takes place? | Alveoli |
| What happens over time if the cilia in the airway are unable to get rid of mucus? | It causes you to cough |
| What are the four main chemicals contained in cigarette smoke? | Tar, nicotine, carbon monoxide and particulates |
| What are the symptoms of an asthma attack? | Tight chest, difficulty breathing and wheezing |
| If someone has an asthma attack, what happens to the lining of the airway that makes it hard to breathe? | It inflames and fluid builds up |
| In someone with asthma, what happens to the muscles around the bronchioles, causing the airways to narrow? | They contract |
| Regular exercise can make the exchange of gases in your lungs more efficient over time. Why is this? | Increased number of capillaries and alveoli |
| What will happen in your chest cavity if the muscles you use to breathe are stronger? | It will open up more, allowing more air into your lungs |
| What will happen with the muscles you use to breathe if you exercise regularly over time? | They will get stronger |
| When you exercise, you need more oxygen so your body can release energy. How does this affect breathing? | Rate and depth of breathing increases |