The cell is deffusion.
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I think the it may be the liver
The respiratory system cools the muscular system. The respiratory system acts as the support system for the muscular system. The respiratory system brings oxygen into the body for the muscular system to use.
I would say the lens. The lens focuses light. The pupil allows light to come in, the iris gives color and controls how much light comes in.
Answer:
Simpe dominant- recsive
Explanation:
"Some people with hitchhiker’s thumb may have acquired two recessive copies, or alleles, of the gene that determines thumb straightness"