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What makes up the nervous system?
The brain, spinal cord, and nerves
What do we use our senses for?
To interact with the world around us
How can we keep our brains healthy?
Using our memory, having a balanced diet, or sleeping well
What four systems does nutrition involve?
Digestive, respiratory, circulatory, and excretory systems
What are the three stages of food being digested?
Digestion, absorption, and elimination
How are waste liquids expelled?
When we sweat or through urine
What are male and female reproductive cells also called?
Gametes
True or false: The female reproductive cell is much bigger than the male reproductive cell.
True
Which of the following does NOT belong to the male reproductive system: vas deferens, seminal vesicles, cervix, and prostate.
Cervix
Are chemical changes reversible or irreversible?
Irreversible
What is an example of oxidation?
When fruit or iron react with the oxygen in the air
What is distillation?
A method of separation that involves evaporation and condensation
Who discovered the link between electricity and magnetism?
Oersted
What does an electric current produce when it flows through a wire?
A magnetic field
Do the north poles of two bar magnets attract or repel each other?
Repel
What are the three steps for printing?
Input, process, output
