Did you know?
The average office desk has 400 times more bacteria on it than a toilet.
Did you know?
Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.
Did you know?
Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
Did you know?
According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.
Did you know?
Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.
Gametogenesis and gametes in males and females.
Young male Pacific Walruses on Cape Pierce in Alaska. Note the variation in the curvature and orient
Male Asiatic Lion after a recent fight
Male South American Knob-billed Duck (S. m. sylvicola)
Gross anatomy of the male reproductive organs
Floral components. Anthers produce pollen and ovules produce eggs.