The body Machine
Name: ______________________ Date: ____________
Write the letter of the matching definition next to each term.
1. Circulatory
A. Either of two saclike respiratory organs in the chest of vertebrates (plural)
2. Incisors
B. A sharp bend in a road or river
3. Molars
C. Of or relating to ___
4. bones
D. Animal tissue consisting predominantly of contractile cells (plural)
5. arteries
E. The bony skeleton of the head of vertebrates
6. veins
F. An inquiry into unfamiliar or questionable activities
7. blood vessels
G. A sharp rigid animal process or appendage
8. investigation
H. Rigid connective tissue that makes up the skeleton of vertebrates (plural)
9. heart
I. A blood vessel that carries blood from the capillaries toward the heart (plural)
10. lungs
J. A blood vessel that carries blood from the heart to the body (plural)
11. muscles
K. A tooth for cutting or gnawing (plural)
12. oxygen
L. A quantity that can assume any of a set of values (plural)
13. blood
M. Gas in the air that we need to breathe
14. ribs
N. A ___ in which ___ circulates (plural)
15. skull
O. Grinding tooth with a broad crown (plural)
16. spine
P. Support resembling the rib of an animal (plural)
17. elbow
Q. Red liquid pumped around the body by the heart
18. variables
R. Organ that pumps blood around the body