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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Upper Elementary Science - II
2.13 Organ Systems

A group of cells constitute tissue.
Examples: skin tissue, muscle tissue, etc.

What is an organ? A group of tissues performing a particular function forms an organ.
Examples: eyes, nose, skin, etc.

What is an organ system? An organ system is a group of organs that work together.
Examples: digestive system, circulatory system

Systems work alone and with other systems to allow the body to maintain homeostasis, or a stable internal environment.

Organs are a part of every system. The heart is classified as an organ and it is a part of the circulatory system. Organs can work within several systems of the body and have several specific cells or tissues that have different functionality.

For example, the kidneys are not only a part of your excretory system; they also have specific parts that serve the endocrine system.


Directions: Answer the following questions.
Q 1: Tissues are group of cells of the same structure formed to accomplish a particular function
True
False

Q 2: There are many organs in a system.
False
True

Q 3: A group of cells forms an organ
False
True

Q 4: Systems are made of millions of cells.
False
True

Q 5: Homeostasis means _______.
relation between systems
an external environment
a one to one relation among the organs
a stable internal environment

Q 6: Which is the correct order?
cells, tissues, organs, systems
cells, organs, systems, tissues
tissues, cells, organs, systems
cells, systems, organs, tissues

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Question 8: This question is available to subscribers only!


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