Stimulus stimulate the sodium ion voltage gated channel to open in the axon. This allow many Na ion to enter the axon and causes depolarisation as the pd in the axon getting less negative charge (from -70mV to -50mV).
Answer:
Since oxygen has a higher electronegativity than hydrogen, the electrons of the molecule tend to group closer to the oxygen than to the hydrogen atoms. as well as , water is said to be a "polar" molecule, which means that there is an uneven distribution of electron density.
thats what i found sorry if its confusing
It sends an electrical impulse to make your heart beat. The job of a pacemaker is to artificially take over the role of your sinus node if it isn't working properly. Electrical impulses are sent by the pacemaker to stimulate your heart to contract and produce a heartbeat
<span>What a fascinating question! Just out of college, on my first job,
I was called to the delivery room to assist the obstetrician in
collecting a blood sample from the not-yet born fetus? scalp. I was
nearly immobilized at the sight of the impending birth. Ever since
that night, I have gotten goosebumps when witnessing a birth. It is
certainly an amazing event, and pondering the entire journey from
conception to birth is marvelous!
Some of the material I have found is published by religious, political
and anti-abotion sites. Neither Google Answers nor I endorse any of
these sites. Such web pages were cited here for conception and
gestation information, and not because of ideology.</span>