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thousands
What body system keeps blood supplied with O2 and removes CO2 through the walls
of air sacs in the lungs?
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Respiratory
Protein synthesis takes place where?
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Ribosomes
What four systems protect against diseases?
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Lymphatic/ Immunity, Skeletal, Cardiovascular, Integumentary
What contains carbon and is covalently bonder?
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Organic compound
What compasses 10- 30% of cell mass and is the basic structural material of the body?
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, Proteins
What two body systems regulate homeostasis?
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Endocrine, Nervous
Nucleotide strands resembling "half-DNA" molecules (1 of 2 strands of DNA molecule
coding for protein structure) is referred to as?
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mRNA
The structural units of all living things is?
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cell
Series of changes a cell goes through from the time it is formed until it reproduces
itself is called?
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, cell cycle
What are the three states of matter?
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solid, liquid, gas
What are the three types of chemical bonds?
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Ionic, Covalent, Hydrogen
Forming energy is?
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Anabolic
Except for the first valence shell, which is full with two electrons, atoms interact in a
manner to have eight electrons in their outermost shell is known as?
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