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study guide

Across
Transfers sound into electrical infomation
Place where tears are made
When you head gets hit hard and your axons rip apart
Male reproductive cell
Nervous system that controls voluntary movements
Where you take in and release air
Organ system that allows you to feel your surroundings
Organ that pumps blood to body
Female reproductive cell
Down
The flap that control where air goes and where food goes
The organ that changes blood with low oxygen into oxygen rich blood
Keeping a normal environment inside the body
The tube that the egg gets fertilized in
The nerve that sends signals from the eye to the brain
The main highway for nerves
Hammer, stirrup, and anvil
The windpipe
Hole in the eye
Keeps blood flowing in the same direction
When the sperm and egg first meet it is called ________