blood
stream
1
血流, 血液循环
the flowing blood in a circulatory system, moving through vessels to transport oxygen, nutrients, and waste products throughout the body
The bloodstream refers to the collective system of blood vessels that carry blood throughout the body. It serves as a vital transportation network, delivering oxygen, nutrients, hormones, and other essential substances to cells and tissues while removing waste products and carbon dioxide. The bloodstream is powered by the pumping action of the heart, and its intricate network of arteries, veins, and capillaries ensures efficient circulation. It plays a crucial role in maintaining homeostasis, regulating body temperature, supporting immune function, and distributing necessary components for cellular functions.
- The antibiotic injection delivered medicine directly into the patient's bloodstream, speeding up recovery.
抗生素注射将药物直接送入患者的血流中，加速了康复。
- Researchers have discovered that microplastics can cross cell membranes and end up in the bloodstream.
研究人员发现，微塑料可以穿过细胞膜并最终进入血液。
- As adrenaline floods the bloodstream, the body enters a heightened state of alert during an emergency.
当肾上腺素涌入血流时，身体在紧急情况下进入高度警觉状态。
- Red bone marrow constantly produces new blood cells that enter the bloodstream to replace old ones.
红骨髓不断产生新的血细胞，这些细胞进入血流以替换旧细胞。
- Chronic smoking allows toxic compounds to accumulate in the bloodstream and damage vital organs.
慢性吸烟使有毒化合物在血流中积聚并损害重要器官。
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