Health And Lifestyle-Revision Flashcards
(35 cards)
What are the main food nutrients?
. Carbohydrates . Proteins . Fats(lipids) . Vitamins . Minerals . Water
What function does the oesophagus have?
The food passes down this tube.
What is a stimulant drug?
It is highly addictive because of the enhancement
What is nicotine?
An addictive stimulant drug. Nicotine increases the heart rate and blood pressure and makes blood vessels narrow than normal. This can lead to heart disease.
What do carbohydrates give us?
Energy
What is the function of the stomach?
The stomach secretes acid and enzymes that digest food.
What is a depressant drug?
It is a drug that lowers neurotransmission levels, which is to depress or reduce arousal or stimulation, in various areas of the brain.
What is tar?
A sticky brown substance that is deposited in the lungs. It damages the alveoli which affects gas exchange. It is a carcinogen (causes cancer).
What do proteins give us?
Growth and repair body tissues.
What is the function of the liver?
The liver’s main job is to filter the blood coming from the digestive tract, before passing it to the rest of the body.
What is drug addiction?
It is when you are addicted to a drug and it can be hard to stop
What is passive smoking?
Passive smoking is the inhalation of smoke, called secondhand smoke, or environmental tobacco smoke, by persons other than the intended “active” smoker.
What do fats (lipids) give us?
Insulation and energy
What is the function of the pancreas?
It is part of the digestive system and produces insulin and other important enzymes and hormones that help break down foods.
What are pain killers?
An analgesic or painkiller is any member of the group of drugs used to achieve analgesia, relief from pain.
What is rehabilitation?
Physical medicine and rehabilitation, also known as physiatry and physiatrics, is a branch of medicine that aims to enhance and restore functional ability and quality of life to those with physical impairments or disabilities.
What are vitamins?
A vitamin is an organic molecule that is an essential micronutrient that an organism needs in small quantities for the proper functioning of its metabolism.
What is obese?
It is a medical condition that occurs when a person carries excess weight or body fat that might affect their health.
What is starvation?
Suffering from a lack of food
What is energy?
In physics, energy is the quantitative property that must be transferred to an object in order to perform work on, or to heat, the object.
What is the function of the mouth?
The mouth is the beginning of the digestive tract; and, in fact, digestion starts here when taking the first bite of food. Chewing breaks the food into pieces that are more easily digested, while saliva mixes with food to begin the process of breaking it down into a form your body can absorb and use.
What is the function of the small intestine?
The small intestine is the part of the intestines where 90% of the digestion and absorption of food occurs, the other 10% taking place in the stomach and large intestine. The main function of the small intestine is absorption of nutrients and minerals from food.
What is the function of the large intestine?
The 4 major functions of the large intestine are recovery of water and electrolytes, formation and storage of faeces and fermentation of some of the indigestible food matter by bacteria. The ileocaecal valve controls the entry of material from the last part of the small intestine called the ileum.
What are enzymes?
Enzymes are macromolecular biological catalysts that accelerate chemical reactions. The molecules upon which enzymes may act are called substrates, and the enzyme converts the substrates into different molecules known as products.
