The circulatory system is responsible for delivering oxygen and nutrients to cells as well as eliminating waste. The heart pumps oxygenated and deoxygenated blood through its chambers on opposite sides of the body. Blood vessels are classified into three types: arteries, capillaries, and veins.
- Күн бұрын
CLASS 11TH - BODY FLUIDS AND CIRCULATION - REGULATION OF CARDIAC ACTIVITY - NCERT PAGE NO. 287-288
- Рет қаралды 75
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