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Flashcards by Beatriz Mederer, updated more than 1 year ago
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| Question | Answer |
| THE THREE VITAL FUNCTIONS | NUTRITION INTERACTION REPRODUCTION |
| NUTRITION | The process of obtaining the substances necessary for health and growth. It includes the digestive, respiratory, circulatory, and excretory systems. |
| REPRODUCTION | The process by which living things produce offspring. |
| VIVIPAROUS | Animals that give birth to a young that have already developed inside the mother's body. |
| OVIPAROUS | Animals that produce eggs to reproduce. |
| DIGESTIVE SYSTEM | It breaks down food into nutrients that our body uses to give us energy. It also eliminates waste. |
| PARTS OF THE DIGESTIVE SYSTEM | Teeth, pharynx, oesophagus, liver, stomach, pancreas, small and large intestine, rectum, and anus. |
| WHICH PARTS OF THE DIGESTIVE SYSTEM BREAK DOWN FOOD? | Mouth (teeth and saliva), stomach, and small intestine. |
| WHICH PARTS OF THE DIGESTIVE SYSTEM ABSORB NUTRIENTS? | Small and large intestine. |
| RESPIRATORY SYSTEM | This system lets us inhale oxygen and expel carbon dioxide. |
| CIRCULATORY SYSTEM | It carries blood with oxygen and nutrients to all parts fo the body and collects waste substances and carbon dioxide. |
| EXCRETORY SYSTEM | This system cleans the blood of waste substances in the form of urine and sweat and eliminates them from the body. |
| WHEN DOES DIGESTION BEGIN? | When the teeth grind the food. |
| HOW ARE CAVITIES FORMED? | When eating the sugar bacteria form acids that attack the teeth forming cavities or caries. |
| WHAT IS SALIVA FOR? | It breaks down the food with the help of the teeth and the tongue and forming the bolus. |
| WHAT ARE GASTRIC JUICES? | Substances secreted by the stomach which continue to break down the food and kill harmful bacteria. |
| HOW IT IS CALLED THE LIQUID FORMED WITH THE BOLUS AND THE GASTRIC JUICES? | Chyme |
| WHICH ORGANS SECRETE JUICES? | The stomach, the pancreas and the liver. |
| WHAT IS THE SMALL INTESTINE FOR? | It finishes breaking down the food and starts absorbing nutrients from the food into the blodstream. |
| WHAT IS THE OESOPHAGUS FOR? | It pushes the bolus into the stomach. |
| WHAT IS THE LARGE INTESTINE FOR? | It absorbs water and minerals. |
| WHAT HAPPENS TO THE FAECES? | They wait in the rectum and are expelled from the body by the anus. |
| HOW MANY SALIVA DO WE PRODUCE DAILY AND WHY? | Approx. 1.5 litres. It is necessary for good digestion |
| WHY DO WE HAVE HARMLESS BACTERIA IN OUR INTESTINES? | These bacteria help us to break down and absorb food and nutrients. |
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