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WorksheetsDigestive System Parts and Functions
Total questions: 15
Worksheet time: 15mins
What does saliva do?
Chemically digests food in the mouth.
Chemically digests food in the stomach
Protects the stomach from digesting iteself
Absorbs nutrients from food so the body has energy.
Muscle contraction that keep food moving alone in one direction through the digestive system.
epiglottis
nephrons
peristalsis
enzymes
Enzymes (chemicals) in your saliva help break down food while chewing. This is...
Mechanical digestion
Chemical digestion
What is the main purpose for the digestive system ?
to protect your organs
to provide you with nutrients and energy
to pump blood and transport oxygen through your boby
to control breathing
What does the small intestine do?
reabsorbs the water after the process of the system.
Absorbs most of the end of the nutrients and minerals from where the food takes place.
keeps the stomach in balance for when the system starts.
Absorbs most of the food that's left from the process.
Which parts of the diagram is the small and large intestine?
A~ small intestine
E~ large intestine
D~ small intestine
E~ large intestine
C~ large intestine
B~ small intestine
A~ large intestine
C~ small intestine
E~ small intestine
D~ large intestine
Where does the digestive system start?
The liver
The throat
The stomach
The mouth
What does the salivary glands do for the digestive system?
It produce saliva, which keeps the mouth and other parts of the digestive system moist.
It produce moist, which keeps the mouth and other parts of the digestive system saliva.
It produces ptyalin to make saliva for the mouth, so the system can start.
What are 2 MOST important organs of the digestive system?
small intestines
esophagus
large intestines
pharynx
What is the primary function of the stomach in the digestive system?
A) To absorb nutrients into the bloodstream
B) To break down food using acids and enzymes
C) To transport food to the small intestine
D) To produce bile for fat digestion
Which part of the digestive system is responsible for water absorption?
A) Stomach
B) Small intestine
C) Large intestine
D) Esophagus
What role does the pancreas play in digestion?
A) It produces bile to emulsify fats
B) It secretes enzymes to digest carbohydrates, proteins, and fats
C) It absorbs nutrients into the bloodstream
D) It stores and concentrates bile
How does the small intestine maximize nutrient absorption?
A) By having a smooth inner surface
B) By using peristalsis to move food quickly
C) By having villi and microvilli to increase surface area
D) By producing hydrochloric acid
What is the function of bile in the digestive system?
A) To neutralize stomach acid
B) To break down carbohydrates
C) To emulsify fats for easier digestion
D) To digest proteins
Which organ is primarily responsible for the mechanical digestion of food?
A) Mouth
B) Stomach
C) Small intestine
D) Large intestine
