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The familiar sounds of your heart are made by the heart's valves as they open and close.
Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.
Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.
More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.
About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.
![(a) Yucca baccata in full flower; (b) a Yucca moth, Tegeticula planella, ovipositing on a Yucca flow](https://biology-forums.com/gallery/47/medium_33_17_02_12_5_40_33_1985184.jpeg)
![Reconnect the lower and upper back with horizontal stroking from lower back to shoulders. Keep flat, ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_12_54_25_33055311.jpeg)
![Use full palms to apply light sliding strokes from foot to hip. This connects and finishes massage ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_7_05_49_333131346.jpeg)