The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.
Did you know?
If you could remove all of your skin, it would weigh up to 5 pounds.
Did you know?
Thyroid conditions may make getting pregnant impossible.
Did you know?
The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.
Basic structure of the autonomic pathway
The basic steps in hemostasis.
The Basic Parts of a Neuron
Summary of the Elements of a Swedish Massage Session Cont.