Download Activity: Cell Levels of Organization

Cellular Level of Organization
Activity
Name ____________
Date ___________
Period ____
1. School systems are organized into levels just as the cells of higher organisms are.
Arrange the following school groups in order, from the smallest to the largest unit: grade,
school, school district, student, and team. Next fill in the second column with the
corresponding level of cellular organization. Then define each level or cell organization.
School
Organization
Cell
Organization
Definition
______________
____________
____________________________________
______________
____________
____________________________________
______________
____________
____________________________________
______________
____________
____________________________________
______________
_____________
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2. Classify the following as cell, tissue, organ, or system.
a. liver ________
b. skull, cartilage, bones ______
c. group of muscle cells _______
d. stomach lining _________
f. lungs, trachea _________
g. heart __________
h. platelets _________
i. brain ________
3. Name the Human Body System which:
Gets rid of waste ____________________
Breaks down our food into useable nutrients ____________
Carries oxygen to different cells in our body ____________
Takes in oxygen and releases stored Energy _____________
4. Answer the following based on the activity in class:
a. Main organ of Excretory system _____________
b. Cells which fight off foreign substances ____________
c. Helps blood to clot when there is a cut _____________
d. Blood vessel that carries blood away from the heart ___________
e. Has four chambers part of the Circulatory system___________
f. Where most of our digestion takes place __________
g. Organ which is part of the Excretory and Digestive system ________
h. Organ which is part of the Excretory and Respiratory system________
i. Food tube located behind the Trachea ______________
j. Stores urine _____________
k. Colon is also known as ______________
l. Smallest of all blood vessels _________________
5.
What is the advantage of being multicellular?