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Vaccines prevent between 2.5 and 4 million deaths every year.
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.
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.
Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.
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.
![(A) The colon illustrating various ostomy sites; (B) colostomy in the descending colon, illustrating](https://biology-forums.com/gallery/47/medium_14755_10_09_12_7_09_49_84841860.jpeg)
![In the box on upward social mobility on page 82, we discussed how Latinos face a similar situation. ...](https://biology-forums.com/gallery/27/medium_660366_13_04_17_9_02_38_277391195.png)