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Double Circulation

1. Which is t...

Question

1. Which is the pacemaker of heart?

2. ---------secreted by stomach acts as a buffer against acidity?
3. Blood capillaries are wider than lymphatic capillaries(T/F)

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Solution

1. Sinoatrial (SA) node

2.Bicarbonate secteted by stomach acts as a buffer against acidity.

3. False

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