The process of breaking down food into nutrients for energy.
100
Name two parts of the Respiratory System.
Any two of the following:
Lungs, Trachea, Diaphragm, Alveoli, Bronchiole, Bronchi.
100
What organ is considered the center of the circulatory system?
The heart.
100
What is considered the center of your central nervous system?
The brain.
100
Name the 5 sensory system types.
Vision. Hearing. Smell. Touch. Taste.
200
What is the first digestive fluid to mix with food when you eat?
Saliva
200
What is the purpose of the trachea?
The trachea allows air to enter the lungs.
200
The blood is pumped through 3 kinds of tubes. What are all three of these tubes called?
Veins, Arteries, Capillaries.
200
Definition: Something that causes an action.
Stimulus.
200
What sense does the wolverine use the most to find food?
Their sense of smell.
300
What is the purpose of the stomach?
To store food and add digestive fluids to break down food.
300
What is the name of the part of the lungs that acts as a bus stop where blood and air can meet and interact? (This is where oxygen and carbon dioxide are exchanged with the blood.)
The alveoli are the little air sacs where air is exchanged into the blood.
300
The right side of your heart pumps blood to where?
To your lungs.
300
What is the difference between motor and sensory neurons?
Motor neurons send signals from the brain to the muscles for movement.
Sensory neurons send signals from the environment to your brain.
300
What are some reasons that animals would need to communicate?
To warn others of danger, for food, to find a mate..
400
What is the name of the organ that carries food from the mouth to the stomach?
Esophagus.
400
What are bronchioles?
Bronchioles are the little tubes that connect to the trachea and spread out into the lungs.
400
The left side of your heart pumps blood to where?
To your entire body.
400
What is the purpose of an associative neuron?
It sends signals directly from the sensory neurons to the motor neurons.
It is a shortcut for signals and causes reflexes.
400
Name 2 methods that animals use to communicate. (Think of senses.)
Any two of the following:
Smell, Sound, Vision (colors and patterns), Movements.
500
What is the purpose of the small intestine?
The small intestine adds water and absorbs nutrients for the body.
500
About how many alveoli are found in your lungs?
About 300,000,000 alveoli. (Correct answers include any numbers 100,000,000 and greater.)
500
Name the 4 sections of the heart.
Right Ventricle. Right Atrium.
Left Ventricle. Left Atrium.
(Must have at least one atrium and one ventricle to be correct.)
500
What is the name of the nerve cell that sends signals from the environment to the brain?
Sensory Neuron.
500
Why do rattlesnakes rattle their tail?
To communicate to other animals that they are dangerous and to stay away.