How many cervical vertebrae does a giraffe have?

How many cervical vertebrae does a giraffe have?

Surprisingly, even with its long neck, the giraffe has the same number of vertebrae in its neck as humans do. Giraffe have seven cervical vertebrae, but each one can be about 10 inches long.

What was the first contraceptive?

The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.

How many pairs of chromosomes are in a human body?

Human cells have 23 pairs of chromosomes (22 pairs of autosomes and one pair of sex chromosomes), giving a total of 46 per cell. In addition to these, human cells have many hundreds of copies of the mitochondrial genome.

Who did Edgar Allan Poe marry and how old was he?

Virginia Eliza Clemm Poe. Virginia Eliza Clemm Poe (née Clemm; August 15, 1822 – January 30, 1847) was the wife of American writer Edgar Allan Poe. The couple were first cousins and married when Virginia Clemm was 13 and Poe was 27.

When was bread first made?

c. 8000 BC. At first grain was crushed by hand with pestle and mortar. In Egypt a simple grinding stone (quern) was developed. All bread was unleavened, there were no raising agents and bread was made from a mixed variety of grains.

Who invented the first typewriter?

The first typewriter to be commercially successful was invented in 1878 by Americans Christopher Latham Sholes, Frank Haven Hall, Carlos Glidden and Samuel W. Soule in Milwaukee, Wisconsin, although Sholes soon disowned the machine and refused to use, or even to recommend it.

What color is hippo milk?

WOW – Hippopotamus Milk is Pink in Color. Hippopotamuses produce two unique skin secretions (so unique they’re named after the animal), “hipposudoric acid” and its analog “norhipposudoric acid”. It gives the hippopotamuses’ sweat a red coloration, commonly believed to be blood (it’s not).

How many hours of sleep do you lose when you have a baby?

A parent loses about 350 hours of sleep at night over her baby’s first year. Napping is a great way to reduce your sleep debt. If you’ve gone awhile without getting good-quality rest, the sleep you do get — even during a nap — will become more effective.