Class 11 Biology Body Fluids and Circulations Structure and function of heart

Medium

If the heart of a mammal is injected with a $2\%$ $CaCl_2$ solution,then:

A
Heart beat will increase
B
Heart beat will decrease
C
Heart beat will stop
D
No effect

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Class 11 Questions

Class 11

Biology Questions

Chapter

Body Fluids and Circulations

Subtopic

Structure and function of heart

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