Page 44 - Science Course 2 (Book 1)

Mo2-L2: Vocabulary Review

Direction: On the line before each definition, write the letter of the term that matches it correctly. Each
term is used only once.
Forming a blood clot

Step 1 Step 2 Step 3
Platelets rush to the tear A web of fibrin, an insoluble The fibrin web catches more
and form a plug that protein, forms around the platelets and red blood cells,
stops the bleeding. platelets and holds them in place. and these form a blood clot.

1. body system shown in the diagram A. positive feedback
2. feedback mechanism shown in the diagram B. negative feedback
3. system that eliminates wastes C. homeostasis
4. system that breaks down food D. circulatory

5. taken in by the lungs and transported to cells E. digestive
6. contractions that move food to the small intestine F. muscular
7. system that helps the digestive system move food G. peristalsis

8. what body systems maintain H. oxygen
9. rapid response system I. excretory
10. maintains homeostasis by sending a signal to stop a response J. reflex

Mo2-L2: Key Concept Organizer

Direction: Complete the chart by explaining how each body part or function helps process nutrients.

Body Part or Function How the body part or function helps process nutrients
1. chemical digestion

2. mechanical digestion

3. digestive system

4. peristalsis

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