Home / Biology / Question
MCQ
The sinoatrial (SA) node is the:
Biology
A Pacemaker of the heart
B Heart valve
C Blood vessel
D Cardiac muscle
Explanation

The SA node generates electrical impulses that set the rhythm of the heartbeat.

Related MCQs

Biodiversity refers to:
Biology View
The structure that prevents food from entering the trachea is:
Biology View
Glycolysis occurs in the:
Biology View
Which of the following is a polysaccharide?
Biology View
Lipids are characterized by their insolubility in:
Biology View
Which hormone promotes cell elongation in plants?
Biology View