What is the percentage of water in bones?

What is the percentage of water in bones?

The human body is more than 60 percent water. Blood is 92 percent water, the brain and muscles are 75 percent water, and bones are about 22 percent water. * A human can survive for a month or more without eating food, but only a week or so without drinking water.

How many lakes are there in Finland?

There are 187,888 lakes in Finland larger than 5 ares (500 square metres). Most are small, but there are 309 lakes or reservoirs larger than 10 km². They are listed here along with some smaller noteworthy lakes.

How long does a giraffe pregnancy last?

The average gestation period for giraffe is approximately 15 months (453-464 days). Giraffe give birth in a ‘calving ground’ and mothers will often return to where they were born to have their own babies.

Are armadillo shells bullet proof?

Yes they are. In fact, one Texas man was hospitalized when a bullet he shot at an armadillo ricocheted off the animal and hit him in the jaw.

How hot does it get on Mars?

The temperature on Mars may reach a high of about 70 degrees Fahrenheit (20 degrees Celsius) at noon, at the equator in the summer, or a low of about -225 degrees Fahrenheit (-153 degrees Celsius) at the poles.

When did Abraham Lincoln and Mary Todd get married?

Mary Todd married Abraham Lincoln on November 4, 1842, at her sister Elizabeth’s home in Springfield, Illinois. She was 23 years old and he was 33 years of age. Their four sons, all born in Springfield, were:

What was the first metal used by man?

Over 4,000 years ago, when it was discovered that minerals could be melted, curiosity led man to combine melted metals (alloys). By accident they made bronze by adding tin to copper (the Bronze Age). Another combination of zinc and copper made brass.

How many official languages are spoken in South Africa?

There are eleven official languages of South Africa: Afrikaans, English, Ndebele, Northern Sotho, Sotho, Swazi, Tsonga, Tswana, Venda, Xhosa and Zulu. Fewer than two percent of South Africans speak a first language other than an official one.