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Online Quiz (Worksheet A B C D)

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Upper Elementary Science - I
2.38 Cells, Tissues, Organs and Systems

Cells develop into different shapes, depending on what part of a living thing they make up and what job they perform. In a human body there are many different kinds of cells. The brain cells are different from the cells that make up the lungs, and both are different from the skin cells or bone cells.

A lot of cells of the same kind join together to form a tissue. This kind of tissue is a group of the same kinds of cells that work together. These different tissues work together to form organs. Some of the most important organs in the body are the brain, heart and the lungs.

Some tissues and organs in the body work together like the members of a team. The parts that work together are called a system. For example, the mouth, teeth, tongue stomach and intestines all work together to help chew and digest the food. They are all important players on the team called the digestive system.


Directions : Answer the following questions. Define cells, tissues, organs, and systems in you own words.
Q 1: The mouth, teeth, tongue, stomach and intestines all work together. Therefore they are called the important parts of __________________.
muscular system
circulatory system
digestive system

Q 2: Different systems work together to form organs. True or false?
true
false

Q 3: A lot of cells of the same kind join together to form a __________ .
tissue
system
cells
organs

Q 4: Some tissues and organs work together like the members of the team. The parts that work together are called a _____________.
system
cell
group

Q 5: In a body there are many different kinds of cells.
false
true
none

Q 6: A (tissue, organ, system) is a group of the same kinds of cells that work together. Choose the right answer.
organ
system
tissue

Question 7: This question is available to subscribers only!

Question 8: This question is available to subscribers only!


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