Circulatory
Blood is a body fluid that helps deliver nutrients and oxygen to the _____, while at the same time taking away waste products from those same _____.
What are cells?
The respiratory system helps us to do what?
What is breathing?
The _____ is the center of the nervous system and controls all other organ systems in the body.
What is the brain?
Taking these three steps will help reduce waste.
What is Reduce, Reuse and Recycle?
These are the three states of matter.
What are solid, liquid and gas?
This organ functions as a pump to aid in the delivery of blood throughout the blood vessels.
What is the heart?
The lungs take oxygen from the atmosphere into the ______ and release carbon dioxide from the ______ into the atmosphere.
What is the bloodstream?
This body part connects the brain to the spinal cord.
What is the brain stem?
Energy released from food was once energy from the _____.
What is the sun?
Atoms are made up of electrons, neutrons and _____.
What are protons?
There are three types of blood vessels that transport blood throughout the body.
What are arteries, veins and capillaries?
True or False
The trachea is lined with cells that produce mucus so that foreign particles can be trapped.
True
The main function of this organ transmits signals from the brain to the rest of the body and is protected by the backbone.
What is the spinal cord?
Chemical Reactions that occur when substances are mixed can be identified by the emergence of substances with different properties; the total mass remains ______.
the same
How long does it take for sunlight to travel to Earth?
8 minutes
An artery is a ______ whose function is to carry oxygenated blood away from the heart and a vein is a ______ whose function is to carry deoxygenated blood from the body to the heart.
What is a blood vessel?
True or False
Alveoli are small sacks that allow for the exchange of H2O and O2 to take place.
False. CO2 and O2
The nervous system contains specialized cells called _____ that coordinate actions and transmit signals between different parts of the body.
What are neurons?
Snail eats plant, bird eats snail, snake eats bird, hawk eats snake. This is an example of a _______.
What is a food chain?
This force opposes the movement of an object by acting on it in the opposite direction.
What is friction?
This type of blood vessel is only 1 cell thick and its job is to exchange water, O2, CO2, nutrients and waste between blood and surrounding tissues.
What is a capillary?
This organ is important in removing vomit, feces and urine from the body as well as helping lungs take in air with its movement.
What is the diaphragm?
This is the joint between the ends of two neurons. It allows chemical and electrical signals pass between the neurons.
What is a synapse?
A healthy ________ is one in which multiple species of different types are each able to meet their needs in a relatively stable web of life.
What is an ecosystem?
This metal is a cheap and available conductor of electricity.
What is copper?