WorksheetsNutrition: humans
Total questions: 25
Worksheet time: 13mins
Ingestion
Taking in food
Breaking down and absorbing food
Egestion
Taking in food
Breaking down and absorbing food
Expelling food
Egestion vs excretion
Egestion: waste from digestive system.
Excretion: cellular waste.
Egestion: cellular waste.
Excretion: waste from digestive system.
The mouth
Mostly mechanical digestion
Mostly chemical digestion
Which gland is found in the mouth?
Pancreas
Salivary gland
Which enzyme is released in the mouth?
Amylase
Pepsin
Gland
An organ that makes and releases substances
An organ that performs both mechanical and chemical digestion
Alimentary canal
The organs that produce digestive enzymes.
The part of the body that food passes through.
Esophagus
The tube that passes food and liquid from mouth to stomach.
The tube that carries air from mouth to lungs.
Digestive enzymes
Intracellular enzymes
Extracellular enzymes
Where does pepsin and HCl come from?
Stomach lining
Pancreas
What is starch broken down into?
Sugars
Carbohydrates
Fibre
The stomach also performs mechanical digestion.
True
False
What are lipids broken down into?
Glycerol and fatty acids
Amino acids
What are proteins broken down into?
Glycerol and fatty acids
Amino acids
Sugars
What is amylase and maltase?
Amylase = starch to maltose
Maltase = maltose to glucose
Amylase = lipids to fatty acids
Maltase = fibre to starch
Enzyme
A type of membrane in the stomach that allows easy absorption of minerals.
A biological catalyst to make reactions happen faster.
Gut
mouth, esophagus, stomach, and intestines
stomach, small intestine, and large intestine.
Which enzyme is released in the stomach because it can operate in highly acidic conditions?
Amylase (a type of carbohydrase)
Pepsin (a type of protease)
Bile is ...
acidic
alkaline
The pancreas releases which types of enzymes into the duodenum?
Carbohydrase
Protease
Carbohydrase
Lipase
(all of them)
Carbohydrase
Protease
Lipase
Where does most of the absorption of nutrients occur?
In the small intestine (ileum)
In the stomach
In the large intestine
Bile ...
Raises pH
Lowers pH
Bile also ...
Helps separate fat droplets.
Helps denature proteins.
The first part of the small intestine is called the ________________.
duodenum
ileum
