The answer is "Abstract."
Virus culturing because it allows you to take the virus and control it so can put it into a vaccine
Answer:
Here are 16 ways swimming lessons help kiddos see extraordinary results in the pool and beyond!
Teaches Water Safety. ...
Provides Physical Exercise. ...
Aids Cardiovascular Health. ...
Strengthens Lung Capacity. ...
Improves Endurance. ...
Builds Muscle. ...
Aids Digestion. ...
Improves Sleep.
The answer is It’s Pacemaker !! It is also known as the SA node