Digestive System Flashcards
(12 cards)
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
