What is the name for the basic unit of life?
cell
The ___________ is the smallest unit of a living organism.
cell
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!
What comes first?
Hint: the basic unit of life
Cell!
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
A group of cells that work together is called........
tissue
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.
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.
What comes second?
Hint: Cells work together to form this.
Tissue!
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
Different tissues that work together to perform a task make an........
organ
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.
True or false: the skeletal system (your bones) and the muscular system (your muscles) work together to help your arms and legs move.
true
What comes third?
Hint: What do tissues build?
Organ!
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
a living thing can also be called this
organism
Organ systems work together to keep an ____________________________ alive.
Organism - remember this is the complete living thing, like a human body!
If your body becomes cold, your muscles shiver. What other system is your muscular system working together with?
nervous system
What comes fourth?
Hint: Organs work together in this....
Organ System!
The digestive tract is an example of:
a. tissue
b. organ system
c. cell
d. organ
b. organ system
a system within a larger system is called a.....
subsystem
(sub = in, a subsystem is inside of a bigger system)
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
True or false: organization is important in the human body.
true
What comes fifth? The final product....
Hint: The human body would be known as a......
Organism!
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