Living Systems 1 Flashcards
What is the function of carbohydrates and how does it work
Carbohydrates (carbs) are the main source of energy in food. The body breaks down carbs into glucose (a type of sugar) which is used as energy
What foods DO NOT contain carbohydrates
meats, seafood, non-starchy vegetables
What is the function of protein and how does it work
Protein helps your body repair cells and make new ones. Protein contain amino acids that is used to repair muscles and bones and make hormones and enzymes
What foods contain protein
Animal-based foods e.g. meat, poultry, fish, eggs, and dairy foods
What is(are) the function(s) of fats
Fat helps keep organs and your body warm, serves as A energy source and transportes fat-soluable viatamins
What foods can fat appear in
Meat, fish, seafood, dairy products, nuts, seeds and oils
What is the function of vitamins
Vitamins help maintain good health
What is the function of minerals
Minerals maintain acid-base balance; keeping the body pH neutral
What foods can vitamins and minerals be found it
All healthy foods contain vitamins and minerals
What is the function of fibre (dietary fibre)
Fibre provides bulk which helps with the movement of matter through intestines. Dietary fibre softens and increases the weight and volume of your faeces. Lack of fibre will cause watery stool and constipation
What foods can fibre be found in
Fibre is found in vegetables, fruit, nuts and seeds
What is the function of water in the body
Water is a reactant of many of the chemical reactions that occur in the body. Dehydration can cause low blood pressure.
What are the organ systems present in the human body
skeletal, digestive, respiratory, circulatory, muscular, nervous, endocrine, reproductive
What are the two types of digestion
physical and chemical digestion
What organs are not part of the digestive tract
Salivary glands, liver, pancreas, tongue
What are three disorders that can be developed in the digestive system
Cancer, bowel syndrome, lactose intolerance, diaherra
DROLL
Deoxygenated blood, Right sider of heart, Left side of the heart, Lungs
What muscle helps with movement of lungs
Diaphragm
Role of the nasal cavity in the respiratory system
lined with hair and muscus to filter air and remove dirt and dust
Role of pharynx in respiratory system
passage behind nasal chamber, serves as common passageway for food and air
Role of larynx
aka soundbox, helps in generation of sound; helps communicate
What is the role of arteries
To carry blood away from the heart
What is the role of veins
To carry blood towards the heart
What is the role of capillaries
To exchange oxygen and carbon dioxide
