Page 46 - Science Course 2 (Book 1)

Mo2-L2: Lesson Review Quiz (Multiple Choices)

Direction: On the line before each question or statement, write the letter of the correct answer

1. Which organ is responsible for breaking down food and absorbing nutrients?
A. the stomach
B. the esophagus
C. the small intestine
2. Which item is a waste product of cellular respiration?
A. oxygen
B. nutrients
C. carbon dioxide
3. Which body system produces hormones?
A. nervous system
B. digestive system
C. endocrine system
4. Which system is NOT involved in processing and distributing nutrients in the body?
A. nervous system
B. digestive system
C. muscular system
D. circulatory system
5. What role does the muscular system play in taking in and processing oxygen?
A. It is the place where oxygen enters the body.
B. It transports oxygen throughout the body to cells.
C. It expands the chest so cells in the lungs can take in oxygen.
D. It processes oxygen and eliminates the waste formed by respiration.

Mo2-L2: Lesson Review Quiz (Matching)

Direction: On the line before each definition, write the letter of the term that matches it correctly. Not all
terms are used.

6. control system that sends a signal to increase a response A. cellular respiration

7. control system that sends a signal to stop a response B. homeostasis
C. negative feedback
8. ability to maintain constant internal conditions even when outside D. organ
conditions change
E. nutrient
9. muscle contractions that move food from the stomach to the small F. peristalsis
intestine
G. positive feedback
10. process that uses oxygen to obtain energy from nutrients
H. stimuli

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