Nervous
Messages travel through __________ to parts of the body.
What are neurons (nerves)?
These blood vessels are larger and mostly carry oxygen poor blood back IN to Ivan's lungs and heart FROM all body cells.
What are veins?
Where oxygen and carbon dioxide are exchanged in the alveoli to help keep your cells alive.
What are the lungs?
Where does the food/nutrient molecules Caleb eats end up in his body?
What is the food molecules (nutrients) enter the individual cells all over your body?
This type of nutrient is used by Autumn for quick energy.
What are carbohydrates?
The _______ is the main organ of Ian's nervous system.
What is the brain?
These blood vessels are larger and mostly carry oxygen rich blood AWAY FROM Curtis's lungs and heart TO all body cells.
What are arteries?
This gas diffusion into the bloodstream through the cell walls of the alveoli in the lungs.
What is oxygen?
What is the task of an enzyme?
What is to help Raegan's body to perform chemical reactions to breakdown food?
Diffusion means...
What is molecules go from an area of high concentrations to areas of low concentrations?
The main part of nervous system includes the brain and main neurons.
What is the central nervous system?
These blood vessels are very small and allow the nutrients and oxygen to get to Dominik's cells from the bloodstream as well as connect arteries to veins.
What is a capillary?
This is connected to the respiratory system to transport the oxygen molecules to the cells.
What is the circulatory system (blood)?
This organ allows Owen's body to breakdown fats because it produces bile.
What is the liver?
Emma went out for a run. After 20 minutes of running, she was hot and sweaty. What is the best homeostasis explanation for this?
What is her heart had to pump faster to run hard, which caused her body temperature to rise?
The things a person responds to in their environment.
_ _ _ _ _ _ _ _
What is a stimulus?
When oxygen gets to the cells it moves into the cell using this process.
What is diffusion?
Mahi's respiratory system alveoli are covered with capillaries from the circulatory system to help remove this waste gas?
What is carbon dioxide?
This very small organ of the digestive system stores bile, but Braden could live without it.
What is the gallbladder?
Ace noticed that her pulse and breathing returned to what it was before dance class. Why did this happen?
What is her body returned to its normal pulse rate and breathing rate after her energy needs decreased? (Homeostasis)
When a stimulus is present in the environment a person must ________ to it.
What is respond?
The main power behind the circulatory system is the _________.
What is the heart?
What is respiration?
What is breathing?
This organ allows Kaylee to absorb most of the nutrients that his digestive system breaks down.
What is villi in her small intestine?
What is the definition of homeostasis?
What is the ability of the body/organism systems to keep balance in spite of changes outside of it?