CIRCULATORY SYSTEM WORKSHEET 1
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Directions: Describe the circulatory system and the major parts by filling in the blanks before each num
ber.
1. This is about the size of our fist found at the middle chest cavity pointing left.
2. 2. These are the pathways/passages of blood in the body.
3. 3. This is the “red river” of life.
Directions: Match the part of the heart in column A with the description in column B. Write the letter of
the correct answer.
A
B ________
4. Ventricles A. The upper chambers of the heart ________
5. Atria B. The tiniest blood vessels ________
6. Capillaries C. The lower chamber of the heart
Directions: Unscramble the letters to name the part of the circulatory system being described by the gi
ven clue. 7. ARTREIES ______________________________ ­the thick walled and elastic blood vessels
8. EIVNS_________________________________
­blood vessels with thinner walls and have bigger diameter
9. EULKOCYSET __________________________ ­another word for WBC often referred to as the soldiers
of the body
Directions: Answer the question below in complete sentences. What are the functions of the circulatory
system? Give at least three. 1.
2.
3.