7th Gr. Science Unit 8 Flash Cards

Frage	Antworten
True/False? Heredity is controlled by DNA	True
True/False? The outer layer of skin is the dermis	False
True/False? Your tongue and nose do not affect each other	False
True/False? Neurons do not touch each other	True
True/False? When the brain mixes up its sight signals, an optical illusion results	True
part of the brain responsible for behavior	cerebrum
color of eye	iris
controlled by will	voluntary
flexible tissue	cartilage
carries impulse from the neuron	axon
skin problem	acne
salt, bitter, sour, sweet	four tastes
pigment responsible for skin coloring	melanin
gathers sound	outer ear
The hammer, the anvil, and the stirrup are parts of the ___________	middle ear
The control center of the cell is the ________	nucleus
A connection between two or more bones is called a(n) __________	joint
Special meeting places between neurons are called ____________	synapses
The part of the eye that opens and closes to let in different amounts of light is the _________________	pupil
What is the brain stem?	the first 3 inches of the spinal cord
What is absorption?	to take in
What is the spinal cord?	the main pathway for all of the body's messages
What does it mean for something to focus?	to make clear
What are the 5 senses?	1. touch 2. taste 3. sight 4. hearing 5. smell

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