Biology 2 Flashcards
Where is the brain
In the head
Where are the lungs
In the rib cage
Where is the heart
In the rib cage surrounded by the lungs
Organelle
Parts of the cell
Cell
Small things in your body (smallest unit of living things)
Tissue
Made out of similar cells that work together to perform a special function
Organ
A group of different tissues that work together
Organ system
A group of organ that work together
Organism
All living things
Organs in the digestive system
Liver, stomach, small intestine, large intestine, oesophagus
7 food groups
Carbohydrate, proteins, fibre, fats, minerals, vitamins, water
What makes a balanced diet
A balanced diet is made up of eating all of these 7 food groups in sensible portions
What are the types of digestion
Chemical and mechanical
What is chemical digestion
Chemical digestion is when certain enzymes are used to break down nutrients such as carbohydrates, proteins and fats into smaller molecules
Mechanical digestion
Mechanical digestion is when you physically break down food substances into smaller parts to more efficiently carry out chemical digestion. Biting, mashing or tearing are all examples of this.
