Intake and Output in the Human Body
This worksheet focuses on understanding how the human body takes in nutrients and expels waste, covering key organs and processes.
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Intake and Output in the Human Body
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Read each question carefully and answer to the best of your ability. Use the provided image to help you answer some questions.
1. Which body system is responsible for breaking down food into nutrients the body can use?
Circulatory system
Digestive system
Respiratory system
Nervous system
2. What is the primary function of the large intestine?
Absorb nutrients
Produce bile
Absorb water and form waste
Pump blood
3. The process of taking food into the body is called .
4. Waste products are removed from the body through the process of .
5. The is where most nutrient absorption takes place.
6. Look at the diagram of the human digestive system below. Name three organs involved in the intake and processing of food.
7. The kidneys are part of the digestive system.
True
False
8. Water is an important part of both intake and output.
True
False
Match each organ with its main function.
9. Stomach
a. Absorbs water
10. Small Intestine
b. Chemically digests food
11. Large Intestine
c. Absorbs most nutrients
12. Describe the journey of a bite of food from the moment it enters your mouth until waste is eliminated from your body. Include at least three organs involved in this process.