Question | Answer |
What are the three main things that humans need to survive? | Water, Food and Oxygen |
What are the 5 nutrients that are provided by food? | Carbohydrates, Proteins, Lipids, Vitamins and Minerals |
What are carbohydrates? | Large Carbon Components that are the key fuel source for exercise. |
What are proteins? | Large Molecules made up amino acids. They build, maintain and replaced damaged tissues |
What are lipids? | Another word for fat. Fat is a component in food. |
What is the function of the esophagus? | Moves food from the throat to the stomach by contractions. |
What is the function of the stomach? | Stores the food and breaks it down with enzymes. |
What is the function of the small intestine? | The nutrients pass through the villi and goes into the bloodstream. |
What is the function of the large intestine? | To absorb nutrients, get rid of excess water and to get rid of the waste. |
What is the function of the rectum? | Short-term storage which holds faeces. |
What is the function of the liver? | Affects the digestive system by producing bile. |
What is the function of the gall bladder? | To store bile from the liver and release it into the small intestine. |
What is bile? | An alkaline fluid that aids in the digestion of fat and filters out toxins and wastes. |
What is the function of the anus? | Releases the faeces as waste. |
What is the function of the pancreas? | Makes chemicals that are used in the small intestines. |
What is the function of teeth? | They are used to bite and chew pieces of food into smaller pieces. |
What is the function of the tongue? | Rolls food into a bolus and pushes it to the back of the throat where it is then swallowed. |
What is the digestive system? | The process in which nutrients are extracted from the food that we eat. |
What are the two types of digestion? | Mechanical and Chemical. |
What is mechanical digestion? | When food is physically broken down. |
An example of mechanical digestion is... | Teeth biting and chewing food in the mouth |
What is chemical digestion? | When food is broken down through the excretion of fluids which trigger chemical reactions. |
An example of chemical digestion is... | In the stomach and the small intestines |
What are enzymes? | They are special chemical proteins which interact with the food we eat and split it into smaller pieces. |
What is the function of villi? | They aid with the extraction of the nutrients broken down in digestion. They transport the nutrients into the blood. |
What are villi? | They are finger-like projections of tissue that line the walls of the small and large intestines. |