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Did you know?
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
Did you know?
Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
Did you know?
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
Did you know?
Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.
Did you know?
Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.
![Renal calculi (stones) can form in several areas within the urinary tract. When they form in the kid](https://biology-forums.com/gallery/47/medium_14755_05_10_12_4_17_10_92872103.jpeg)
![Endocarditis. The human heart has been sectioned to reveal the left ventricle and origin of the aort](https://biology-forums.com/gallery/47/medium_14755_11_11_12_7_14_26_100221543.jpeg)
![Electrocardiography. (a) Electrodes are placed on the patient’s chest to record the electrical event](https://biology-forums.com/gallery/47/medium_14755_11_11_12_7_15_46_100311063.jpeg)