Did you know?
All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.
Did you know?
Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.
Did you know?
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
Did you know?
If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.
Did you know?
On average, the stomach produces 2 L of hydrochloric acid per day.
Human 5 weeks old
The base of the human cranium is more flexed than the base of the chimpanzee cranium.
The major human endocrine glands and their central nervous system control centers
Human arrival and the extent of the recent extinction wave
Human Population Growth
Underside of human skull