Unit 5 - Eating, Drinking & Breathing 1 Flashcards
the category of food needed for certain body processes e.g. protein
food group
a source of nourishment e.g. protein
nutrient
the intake of food that provides the correct nutrients in the correct proportions
balanced diet
a large molecule made by plants as a form of food storage
starch
a sweet tasting compound of carbon, hydrogen, and oxygen – such as glucose or sucrose
sugar
a food group important for growth and tissue repair
protein
a body tissue that acts as an energy store; a food group
fat
the likelihood of a hazard causing harm
risk
having the ability to do work
energy
the process of living things in which oxygen is used to release the energy in food
respiration
a unit of energy equivalent to 1000 joules
kilojoule (kJ)
the breakdown of food in order to obtain energy
digestion
a group of organs that together enable the digestion of food
digestive system
the energy stored in bonds between atoms which becomes available when atoms are rearranged in a chemical reaction
chemical energy
the heart and blood vessels that transport essential substances around the body in blood
circulatory system
