Task heart from beating and cause a

Task 1c

Electric shocks happen when a person gets in contact with high
voltage. The effect electric shocks have on people can be harmful for instant, if
a person was electrocuted with a very high voltage then it could cause death because
the rhythm of the heart would be disturbed or in some cases the current can
stop the heart from beating and cause a cardiovascular arrest. Electrical
shocks can cause burns. If the voltage was not too high, then burns can be
found just on top of the skin. But if a high voltage was to shock a person then
it could cause internal burns. Such as burns to the organs that can affect the
heart. The burns which are caused by electric shocks can cause organ failure
which results in death and if a person was to survive then recovery would be
long and painful. Moreover, neurological effect is another factor which can be
harmful to the human body. This is when electric shocks disturb the nervous
control effecting on heart and lungs. When electric shocks disturb the nervous system,
it doesn’t in most cases leads to death but can make a person be unconscious. It
also, effects the chest when 50 or 60 Hz is passed through the chest. It
results in ventricular fibrillation. This must be treated as soon as possible
as it can cause the heart muscle to beat fast and loose its normal rhyme. If
too much is passed through the chest then it can stop the heart from beating as
soon as it has travelled to the chest.

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The following are the most common effects of electric

A person has high chances of collapsing

A person would have high chances of muscle
contractions that can cause fractures and loss of consciousness and in some
cases, it can cause the joins to dislocate

A person could have a paralyze to the
respiratory system and can change the rhythm of the heart or can stop it from
beating completely. Tissue that are at the start and end of the current can

A persons blood pressure can drop which causes
the electrolyte balance to release myoglobin resulting in kidney failure.

Fires are mostly started in mains wires (homes, buildings)
or due to manufacture failure. Damaged outlets, equipment start fires and old outdated
apparatus. Others can be started by problems in cords, receptacles and
switches. Cords that have been damaged should not be near floors, curtains and
rugs as it is most likely can start off fires. And cords under rugs can cause
fires which can be dangerous. Most the fires are started by people who do not
follow the instructions of an electrical equipment. Extension leads can cause
fire and portable heaters also start fires. The impact that fires have on
humans is that it can cause severe burns which can cause the skin of the
surface to burn and internal burns can be caused. This causes the body tissues
to be scarred which means dead is most likely to occur and then the fibrous
tissues are instead replaced with the dead tissue.

Dc and Ac:   

Ac and dc both are harmful to the body, but the symptoms are
slightly different depending on the voltage if it is high then there is more
risk than it is low. It also, effects on the amount of current, time of flow
and pathway current. It is said to be that ac current is more harmful to a
human than dc because more dc currents are needed to make the same harmful
effect that ac current would have. This is because more milliamps are required
in DC as it is a flow of current in one direction so if a person was to get an
electric shock from the hand or feet then it wouldn’t be so bad as it doesn’t cross
the heart, but still the person would have a lot of internal burns which could
lead to death. With AC it’s not as simple as the current flows in all
directions so when a person is electrocuted with AC current then it is most
likely the current has been to the heart which can stop the heart from working
and lead to death. The series of contraction is dependent on the amount of
frequency that is applied to the human body. Also, more milliamps are required
from DC current then AC even if it is the same voltage.