The difference is that electromagnetic waves can travel through the vacuum of space but however mechanical waves only travel through air and solid materials
The lymphatic system drains into lymphatic trunks (right and left lymphatic duct) which drains into vessels of the neck (right subclavian vein)
The answer is A. An electrocardiogram (EEG) measures the electrical activity of the heart to see if there’s any irregularities in the heartbeat. Irregularities in your heartbeats can be caused by many things including blockages which can cause strokes and heart attacks. It’s a good idea for students or any athletes to get an EEG as part of their physicals to rule out any heart issues.
