q('~What is the name of the organ system that processes the food we eat? ~digestive~One organ of this system is the stomach.~The digestive system starts in the mouth and ends at the anus.~');
q('~What is the name for the water that comes into the mouth when you eat food? ~saliva~Another word for this liquid is <em>spit</em>.~Saliva contains enzymes that start to break down the food.~');
q('~Which organ system has the function of supporting the body and protecting the internal organs? ~skeletal~This system contains nothing but bones.~With the skeleton we would not be able to stand or walk.~');
q('~What is the name for the head bone that protects the brain? ~skull~It is like a helmet for the brain!~The skull has sockets to contain the eyes and nose.~');
q('~What is another name for the backbone? ~spine~This is also the word for the back part of a book.~If the backbone is broken, the injured person will not be able to walk again.~');
q('~What is the name of the organ system that provides oxygen to the body? ~respiratory~The answer means <em>breathing</em>.~The main organs of the respiratory system are the lungs.~');
q('~The scientific word for <em>to breathe in</em> is <em>inhale</em>. What is the technical term for <em>to breathe out</em>? ~exhale~The prefix means <em>out</em>.~We exhale carbon dioxide.~');
q('~What is the name for the body system containing muscles, ligaments and tendons? ~muscular~The word is also used as an adjective for someone who has big powerful muscles.~The muscles are needed to move the bones.~');
q('~What is the name of the system that moves blood around the body? ~circulatory~The word says what the job of the system is.~The circulatory system takes blood to and from the heart.~');
q('~The heart is a body machine that pushes blood around the body under pressure. What is the usual name for this kind of machine? ~pump~You use one to put air into the tyres on your bike.~When you exercise, your heart has to pump at over 150 beats a minute.~');
q('~What is the name of the system that causes us to feel pain and carries messages from the brain to other parts of the body? ~nervous~This system is made up of nerves.~Without the nerves, the brain would not be able to control the different parts of the body.~');
q('~What is the name for the special organ that covers the whole body and protects it from germs and bacteria that try to enter it? ~skin~This turns darker when exposed to sunlight.~The skin begins to get wrinkles as a person gets older.~');
q('~What is the name for the group of cells that make up an organ system? ~tissue~It is made up of many, many cells.~The body can replace dead or damaged tissue.~');
q('~What is name for the beating of the heart that you can feel on certain parts of your body? ~pulse~A usual place to feel this is at the wrist or the side of the throat.~Your pulse will increase as you do exercise.~');
q('~What is the name for the flexible bone in your nose? ~cartilage~This tissue-like substance is also in your knee and other parts of your body.~Cartilage is not as strong as bone.~');
q('~What is the name for the very quick responses of the body; for example, when you put your hand on a hot surface? ~reflexes~These help keep us move quickly away from danger.~Your reflexes get slower as your body gets older.~');
q('~What mineral is needed by the body to build healthy bones? ~calcium~This can be found in milk products.~Strong teeth also depend on getting enough calcium.~');
q('~What is the name of waste liquid that is passed out of the body? ~urine~It passes out of the body through the urethra.~Some people think that it is healthy to drink urine!!~');
q('~What  do we call the organ that stores urine before it is passed out of the body? ~bladder~This is like a flexible cup/~The bladder expands as it collects more urine.~');
q('~What is the name for the blood vessels that take blood to the heart? ~veins~These are usually blue in colour.~The veins are deoxygenated. This means that they contain little oxygen.~');
q('~What is the name of the blood vessels that carry blood from the heart? ~arteries~These are usually red in colour.~The arteries contain thicker walls than veins to withstand high pressures.~');
q('~What happens to the biceps muscle in your arm when you raise a weight?  It ............... . ~contracts~The triceps muscle at the back of the arm does the opposite; i.e. it relaxes.~The contracting muscle gets bigger and harder.~');
q('~What is the word for the smallest part of matter? ~cell~The tissues that make up the organs of your body contain millions of these.~Cells are reproducing and dying all the time.~');
q('~About how many bones does an adult human have in their skeleton? ~206~There are over 200!~The longest bone is the thighbone, and the smallest bones are in the ear.~');
q('~What is the name of the bone that is larger in a female than a male? ~pelvis~This is larger to allow the woman to carry a baby during pregnancy.~This pelvis is also  called the hipbone.~');
q('~What do we call the places where bones connect and move against each other? ~joints~These join the bones of a skeleton together. ~Important joints are the knee, the elbow and the shoulder.~');