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Did you know?
Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.
Did you know?
Blood is approximately twice as thick as water because of the cells and other components found in it.
Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.
Did you know?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.