The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.
Did you know?
By definition, when a medication is administered intravenously, its bioavailability is 100%.
Did you know?
The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
Did you know?
Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.
Color Minerals
Hardy-Weinberg Question P2
Lineage restriction of human developmental potency.
