
The Digestive and Excretory System
Authored by Bailey Coats
Science
7th - 8th Grade
Used 1+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
When he eats, Eli chews his food carefully. As his teeth mash and crush the food, enzymes in his saliva break the food down into smaller molecules. What function is carried out by his saliva?
It is performing peristalsis.
It is chemically digesting the food.
It is mechanically digesting the food.
It is producing bile to break down fats.
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the main function of the excretory system?
To remove waste from the body
To regulate and control other body systems
To obtain oxygen and transport it to all tissues
To break down nutrients into smaller molecules
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of the following best explains an interaction between the digestive system and the respiratory system?
To use the energy in food broken down by the digestive system, the body needs oxygen obtained by the respiratory system.
The main function of the respiratory system is to control, coordinate, and regulate most of the functions of the digestive system.
Coordination between the respiratory and digestive systems is necessary because the digestive system obtains oxygen needed by the respiratory system.
The digestive system obtains nutrients from the food that is eaten, and the respiratory system transports the nutrients to the brain where they are needed.
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The following organs are part of the human digestive system: large intestine, small intestine, esophagus and stomach.
Which of the following choices arranges the organs in the order in which materials would move through them during digestion?
Esophagus, stomach, small intestine, large intestine
Stomach, esophagus, large intestine, small intestine
Small intestine, esophagus, stomach, large intestine
Esophagus, large intestine, small intestine, stomach
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of the following structures filters wastes from the blood and regulates the amount of water in the body to maintain homeostasis?
Kidneys
Bladder
Ureters
Stomach
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of the following correctly pairs the structure and function of the bladder?
A pair of tubes; waste transport
A muscular sac; storage of liquid waste
A network of blood vessels; waste elimination
A thin tube; filtration of waste from the blood
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of the following sentences best describes the esophagus?
It produces bile that helps the digestive system break down fats.
It is a muscular tube that moves food from the mouth to the stomach.
It releases enzymes into the small intestine that aid in chemical digestion.
It is a muscular bag that churns food and produces acid and enzymes for chemical digestion.
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