Motsepe
patrice motsepe
No he isnt, Nicky Oppenheimer and Gordon Elliot have more money than him.
how interest rates affect the sa economy
the SA node
14%
exchange rate can$ to SA Rand
The rate and pace of the heart are set by the SA node. There are backup systems in place if the SA node fails to do its job.
60-100
Yes, neurotransmitters like acetylcholine and norepinephrine can influence the rate of firing of the sinoatrial (SA) node, which is the heart's natural pacemaker. Acetylcholine slows down the firing rate, while norepinephrine speeds it up, thus regulating heart rate.
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The SA node is the "pacemaker" of the heart. Cells in the SA node are called "pacemaker" cells and they direct the contraction rate of the entire heart by generating action potentials.