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?
Excessive alcohol use costs the country approximately $235 billion every year.
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.
Did you know?
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.
Did you know?
Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
Physical assessment is one component of the nursing database
Nature (Waterfall)
The Benefits of Physical Fitness (2 of 2)
Physical Findings of Massive Hemothorax
Experimental evidence of cytoplasmic localization in an amphibian oocyte.