Match these items.
1. liquid part of blood —— cells
2. factory for red blood cells —— bone marrow
3. building blocks of tissues —— pulse
4. molecule that carries oxygen in the blood —— hemoglobin
5. smallest blood vessel plasma
6. heart chamber —— ventricle
7. heart contractions —— capillary
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What is thought to have caused the mass extinction at the end of the cretaceous period?
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Common symptoms of an iron-defiency anemia include muscle weakness shortness of breath and lightheadedness why does iron deficiency causes these symptoms
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Match these items.
1. liquid part of blood —— cells
2. factory for red blood cells —— bone m...
2. factory for red blood cells —— bone m...
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