This system carries needed materials to the cells of the body.
What is the circulatory system?
100
This substance in our body connects most of our body systems.
What is blood?
100
This organ pumps blood through our bodies...
What is the heart?
100
List at least 4 things that the blood carries throughout the body.
What are oxygen, carbon dioxide, water, waste, and nutrients?
200
A group of similar cells that perform the same function are called...
What are tissues?
200
This system takes oxygen into the body and eliminates carbon dioxide.
What is the respiratory system?
200
Name the three systems that work together to move your body.
What are the skeletal, muscular, and nervous?
200
This organ takes oxygen into the body and releases carbon dioxide.
What are the lungs?
200
Where does the glucose and other nutrients that your cells need come from?
What is your food?
300
A structure in the body that is composed of different kinds of tissue...
What is an organ?
300
This system breaks down food and absorbs nutrients into the body.
What is the digestive system?
300
Why is the respiratory system dependent on the circulatory system?
Because the blood carries oxygen from the lungs to your body cells and carries carbon dioxide away from your cells to the lungs to be expelled from the body.
300
These tube-like structures deliver blood throughout the body.
What are blood vessels?
300
A __________ is a signal from the environment that can make an organism react.
What is a stimulus?
400
A group of organs that work together to perform a major function...
What is an organ system?
400
These two systems work together to provide your body with structure/shape and to help you move.
What are the skeletal and muscular systems?
400
Why is the digestive system dependent on the circulatory system?
Because the digestive system breaks down food into nutrients, which the blood absorbs in the small intestine to be taken to the body's cells.
400
These structures carry messages to and from the brain.
What are nerves?
400
Oxygen and glucose are used in what process to make energy in our cells.
What is respiration?
500
Put the following in order of complexity (most simple to most complex)...
organ, cell, tissue, organ system, organism
Cell --> Tissue --> Organ --> Organ System --> Organism
500
This system controls your body functions and senses information from inside and outside of the body.
What is the nervous system?
500
If you wanted to make your arm move, what would have to happen with your nervous system?
Your brain would have to send a signal to the muscle in your arm to tell it to move.
500
This organ of the digestive system absorbs the nutrients into the blood to be carried to the rest of the body.