Page 57 - Science Course 2 (Book 1)

Mo2-L3: Lesson Review Quiz (Multiple Choice)

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

1. Where do nutrients enter the body?
A. the mouth
B. the stomach
C. the esophagus

2. Which sequence describes the order in which food is processed in the digestive system?
A. digestion absorption excretion
B. absorption digestion excretion
C. excretion absorption digestion

3. Nutrients pass from the digestive system into the blood in the
A. liver.
B. small intestine.
C. white blood cells.

4. Which substance contains enzymes that break down food after foods enters the mouth?
A. bile
B. urea
C. saliva
D. plasma

5. What is the main function of the small intestine?
A. It traps harmful substances.
B. It produces white blood cells.
C. It stores and releases antibodies.
D. It passes digested food into the blood.

Mo2-L3: Lesson Review Quiz (Completion)

Direction: On each line, write the term from the word bank that correctly completes each sentence. Each
term is used only once.

antibody homeostasis immunity lymphocyte plasma

6. Protection from infection or toxins is called .

7. is the part of the blood that carries water and nutrients.

8. The body must maintain steady internal conditions, or ,
even when external conditions change.

9. A(n) protects the body by traveling through the circulatory system and

removing or destroying pathogens.

10. A(n) quickly attacks bacteria or viruses that have invaded the body.

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