Sandbox DW1 009: Difference between revisions
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This is the time when blood comes into action. Blood is a specialized body fluid that delivers necessary substances to the body's cells – such as nutrients and oxygen – and transports waste products away from those same cells. Because oxygen is not very soluble in blood, animals have an efficient mechanism for capturing oxygen, transporting, and releasing it by the inner cells: hemoglobin. | This is the time when blood comes into action. Blood is a specialized body fluid that delivers necessary substances to the body's cells – such as nutrients and oxygen – and transports waste products away from those same cells. Because oxygen is not very soluble in blood, animals have an efficient mechanism for capturing oxygen, transporting, and releasing it by the inner cells: hemoglobin. | ||
<quiz display=simple> | |||
{What structure in blood carries oxygen to the body's cells?} | |||
- plasma | |||
+ haemoglobin | |||
- deoxyribonucleic acid | |||
- cytoplasm | |||
{{Clear}} | {{Clear}} | ||
===Hb, the mighty protein=== | ===Hb, the mighty protein=== | ||