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What is the primary function of the digestive system?
To produce hormones
To transport oxygen throughout the body
To regulate body temperature
To convert food into absorbable nutrients
The digestive system consists of which two main components?
Stomach and intestines only
Muscles and bones
Digestive tract and accessory glands
Blood vessels and nerves
In what organ does the initial mechanical breakdown of food occur?
Stomach
Mouth
Esophagus
Small intestine
What structure is responsible for identifying flavors during digestion?
Teeth
Tongue
Esophagus
Pharynx
Which correctly describes the digestive tract?
A straight, uniform tube
A rigid pathway for food
A muscular tube with varying diameter
A series of disconnected organs
What does the stomach secrete to aid in food breakdown?
Bile
Gastric juices
Saliva
Insulin
What is the correct sequence of food passage through the digestive system?
Mouth → esophagus → stomach → intestines
Mouth → pharynx → stomach → esophagus
Mouth → stomach → pharynx → esophagus
Mouth → pharynx → esophagus → stomach
Which statement about the digestive system is correct?
It only absorbs nutrients
It processes useful nutrients and eliminates waste
It eliminates all food components
It only breaks down food into smaller pieces
What role do teeth serve in digestion?
They secrete digestive enzymes
They identify food flavors
They break down food into smaller pieces
They absorb nutrients
After the stomach, food moves to which organ?
Pharynx
Esophagus
Small intestine
Large intestine
What are the three accessory glands mentioned in the text?
Pancreas, stomach, and intestines
Liver, gallbladder, and pancreas
Salivary glands, stomach, and liver
Salivary glands, pancreas, and liver
Where are the salivary glands located?
In the stomach and intestines
In the liver and pancreas
Under the tongue, in the jaw, and near the ears
Only under the tongue
What is the primary function of bile produced by the liver?
To create digestive enzymes
To process blood
To break down fat into smaller pieces
To produce insulin
Which gland is responsible for producing insulin to metabolize glucose?
The gallbladder
The pancreas
The salivary glands
The liver
What does the liver do with digested food from the blood?
Transforms it into enzymes
Processes it before blood circulation
Stores it for later use
Converts it to bile
What is one of the main functions of the pancreas?
Producing saliva
Creating bile
Providing digestive enzymes
Filtering blood
