The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
Did you know?
Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.
Did you know?
Thyroid conditions may make getting pregnant impossible.
Did you know?
A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.
A typical spectrum with peaks representing the peptide fragments generated from a sample
A typical eukaryotic cell.
A typical two-wire coil-on-plug ignition system showing the triggering and the switching being ...
Typical secondary ignition pattern. Note the lack of firing lines on superimposed pattern.
A typical ECT sensor temperature versus voltage curve.