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WorksheetsDigestive & Respiratory Systems
Total questions: 20
Worksheet time: 10mins
The Main tube that takes air to your lungs
bronchi
bronchioles
trachea
air sacs
When you breathe "in", you take in
carbon dioxide
oxygen
nitrogen
What type of air to we breath "out"
carbon dioxide
oxygen
nitrogen
The tiny, thin, hair like tubes in the lungs are
the trachea
the bronchi
the bronchioles
the alveoli
Oxygen is transferred in the air sacs THROUGH THE
capillaries
bronchi
Lungs
What are the main organs in the Respiratory System?
Windpipe
Nose
Mouth
Lungs
What is the main responsibility of the respiratory system?
circulate blood
provide oxygen to the body
help us move
protect us
Process of breathing; moves air in and out of the body
nose
respiration
trachea
epiglottis
The small intestine is about 22 feet long.
True
False
Where does digestion begin?
stomach
large intestine
small intestine
mouth
A group of tissues that work together is called an ____________.
organ system
organ
esophagus
tissue
The process of changing food into a form that cells can use is called ___________________.
respiration
digestion
transpiration
circulation
What is the longest organ in the digestive system?
large intestine
esophagus
stomach
small intestine
Name two things that happen to food in your mouth.
Food goes down the esophagus and is broken down inside the stomach.
Food is broken into smaller pieces by teeth.
Acid in the mouth dries out food.
Saliva moistens food and helps break it down more.
When they reach the stomach, mashed-up food particles mix with:
Guava juice
Gastric juices
Mucus
Bile
The liver's role is to:
Mash up food
Turn water into food
Help the stomach
Remove harmful substances from the blood
The digestive system breaks down the food you eat and turns it into (a) .
The _______ moves food from your mouth to your stomach.
stomach
mouth
esophagus
small intestine
Food that is not absorbed into your blood moves to your ___________.
small intestine
esophagus
large intestine
heart
All of the cells in your body need (a) to stay alive.
