|
|
Did you know?
The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).
Did you know?
To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.
Did you know?
Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
Did you know?
More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
Did you know?
Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.
![Retrograde pyelogram. A contrast medium is injected into the ureter using a cystoscope, and the X-ra](https://biology-forums.com/gallery/47/medium_14755_26_10_12_5_21_06_9671618.jpeg)
![This chart shows the various lines of responsibility and how they differ in presidential and parliam](https://biology-forums.com/gallery/47/medium_262797_12_08_15_1_37_18_221851910.png)
![Selective breeding of maze-bright and maze-dull strains of rats by Tryon (1934). (Data from Cooper, ...](https://biology-forums.com/gallery/30/medium_548020_01_06_17_6_32_34_301921514.jpeg)
![Stacking the joints. A. Correct thumb–wrist alignment for applying direct pressure. B. Incorrect ...](https://biology-forums.com/gallery/32/medium_380798_22_08_17_9_33_15_329441530.jpeg)