Digestive System Flashcards
What do muscle cells contain
Protein fibres
What does mitochondria provide
Energy for contraction
What are muscle tissues made up of
Muscle cells and mitochondria
What is a tissue
Group of cells w a similar structure and function
What is an organ
Its a group of tissues working together for a specific function
Eg. The stomach
What does the stomach contain
Muscle tissue and glandular tissue (which releases enzymes)
Which 3 nutrients do food contain
Carbohydrates (eg starch)
Protein
Lipids (fats)
What type of molecule is the nutrients which r in food
Large molecules (they r too large to be absorbed into the bloodstream nd hv to be digested)
What happens during digestion
Large food molecules r broken down into small molecules by enzymes
Where r small molecules absorbed into
The bloodstream
What does the stomach contain to help enzymes to digest food
Hydrochloric acid
Where r chemicals released
Into the small intestines from liver nd the pancreas
