|
|
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.
Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.
A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.
The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.
The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.
![a) Avoid bending your spine from working with the table too low. b) Avoid hiking your shoulders from ...](https://biology-forums.com/gallery/27/medium_679044_04_04_17_12_50_25_274612291.jpeg)
![Standing at the head of the table, apply effleurage to upper trapezius from neck to shoulder using a ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_3_35_50_331681373.jpeg)