Vocabulary Part 1
Vocabulary Part 2
Organ System Examples
Levels of Organization in the Human Body
Multiple Choice
100

What is the name for the basic unit of life?

cell

100

The ___________ is the smallest unit of a living organism.

cell

100

Your lungs are part of the respiratory system. Your heart is part of your circulatory system. Why does your body need both of these to work together?

So you can breathe!

100

What comes first? 

Hint: the basic unit of life

Cell!

100

Which of the following would be the most similar?

a. two cells in the same tissue

b. two tissues in the same organ

c. two organs in the same system

d. two systems in the same organism

a. two cells in the same tissue

two cells in the same tissue will be built the same and have the same function

200

A group of cells that work together is called........

tissue 

200

Blood is either an organ or a tissue. Which is blood classified as? 


Choice: organ or tissue

It is a tissue! This is because blood is made up of special types of cells that work together to create this important fluid. 

200

Your brain is part of your nervous system. Your finger muscles are part of your muscular systems. How do these two systems work together to help you shake someone's hand?

The brain sends a message to the muscles so they can complete the hand movement. Your muscles wouldn't know what way to move without your brain telling them what to do.

200

What comes second? 

Hint: Cells work together to form this.

Tissue!

200

Which of the following provides the best evidence that organ systems in the human body work TOGETHER?

a. muscles shiver in response to the skin sensing cold

b. the skin protects the body from UV light

c. stomach acids break down food

d. the heart pumps blood

a. the nervous system senses the cold, and the muscular system reacts

300

Different tissues that work together to perform a task make an........

organ

300

Your brain, spinal cord, and nerves all work together. Would they be called an organ (one organ by itself) or an organ system?

Organ system! This is because the brain, spinal cord, and nerves are all organs on their own if they were taken apart. 

300

True or false: the skeletal system (your bones) and the muscular system (your muscles) work together to help your arms and legs move.

true

300

What comes third? 

Hint: What do tissues build?

Organ!

300

Which of the following accurately describes one part of the hierarchy of organization in living systems?

a. tissues are made up of cells

b. organs are made up of organ systems

c. cells are made up of organs

d. tissues are made up of organ systems

a. tissues are made up of cells 

Remember this order! 

cells, tissues, organs, organ systems, organism

400

a living thing can also be called this

organism

400

Organ systems work together to keep an ____________________________ alive.

Organism - remember this is the complete living thing, like a human body!

400

If your body becomes cold, your muscles shiver. What other system is your muscular system working together with?

nervous system

400

What comes fourth?

Hint: Organs work together in this....

Organ System!

400

The digestive tract is an example of:

a. tissue

b. organ system

c. cell

d. organ

b. organ system

500

a system within a larger system is called a.....

subsystem

(sub = in, a subsystem is inside of a bigger system)

500

What is a fluid that the circulatory and respiratory systems would move throughout the human body together? 

Hint: the heart is pumping this fluid, and the veins help to move this fluid 

Blood 

500

True or false: organization is important in the human body.

true

500

What comes fifth? The final product....

Hint: The human body would be known as a......

Organism!

500

Explain how organ systems work together to keep a human alive.

examples: brain tells legs to move, muscles shiver in cold, food moves through throat but then stomach breaks down food

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