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Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.
The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
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.
In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.
Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.
![The respiratory system. (a) Sagittal section of the head and neck, revealing the organs of the upper](https://biology-forums.com/gallery/47/medium_14755_11_11_12_7_23_09_100491445.jpeg)
![Undrape the left leg up to the waist, being careful not to expose the gluteal cleft. Tuck the drape ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_12_54_26_330571495.jpeg)