What does this describe? group of similar cells working together?
tissue
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10
which organ system produces new organisms
reproductive
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10
Name the structure that protects your lungs
ribcage
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eraser
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magnet
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gift
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thief
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20
When your diaphragm relaxes, it moves __a)___ and the volume inside your chest ___b)___
a) up b) decreases
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20
scientific name for kneebone
platella
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10
The longest and strongest bone of the human skeleton
femur
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25
an example of a place in the body where joints don't move
skull
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15
name of this bone?
ulna
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15
the antagonistic muscle that works with a bicep is the ___________
tricep
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25
Put the following in order to describe how oxygen reaches your lungs: trachea-capillaries-air goes in nasal cavity- bronchi- blood to heart- bronchioles-alveoli
air goes in nasal cavity--> trachea--> bronchi--> bronchioles--> alveoli-->capillaries--> blood to heart
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10
the place where two bones meet or connect.
joint
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20
What is the change in carbon dioxide levels when you breath in, compared to when you breath out?
From 0.04% to 4 % (accept there is 100 X more carbon dioxide but it is always a small amount)