|
|
Did you know?
Medication errors are three times higher among children and infants than with adults.
Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.
Did you know?
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
Did you know?
Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.
![The planes of the body. The sagittal plane is vertical from front to back, the frontal plane is vert](https://biology-forums.com/gallery/47/medium_14755_16_09_12_5_52_13_87461411.jpeg)
![How people use space as they interact is studied by sociologists who have a microsociological focus. ...](https://biology-forums.com/gallery/27/medium_660366_10_04_17_8_31_11_276121617.png)