Fifteenth Amendment ratified. The Fifteenth Amendment to the U.S. Constitution gave the vote to all male citizens regardless of color or previous condition of servitude. Joseph H. Rainey, first black member sworn in as member of U. S. House of Representatives. December 12, 1870.
The average density of the human body is 985 kg/m 3, and the typical density of seawater is about 1020 kg/m 3.a) Draw a free-body diagram of a human body floating in seawater and determine what percentage of the body's volume is submerged.b) The average density of the human body, after maximum inhalation of air, changes to 945 kg/m 3.) Draw a free-body diagram of a human body floating in seawater and determine what percentage of the body's volume is submerged. b) The average density of the human body, after maximum inhalation of air, changes to 945 kg/m 3.
On the average, an adult human male who weighs 70 kg. has a blood volume of about 5 liters, or a little more than 5 quarts.. 5 L. Blood.. World Book Encyclopedia.n just a single day, the heart pumps the body's supply of blood-approx. 5 quarts (4.7 liters) in an average adult â¦.. 4.7 L. In humans, blood is the fluid that transports nutrients and oxygen to every cell in the body. It also transports wastes away from cells.