The Description of the Human Body He believed the heat of the heart somehow caused all movement of the body. Blood vessels he realized were pipes, he saw that veins carried digested food to the heart. (This was brought further by William Harvey. Harvey developed the idea of the circulation of the blood.) Descartes felt that an energetic part of blood went to the brain and there gave the brain a special type of air imbued with vital force that enabled the brain to experience, think and imagine. This special air then went through the nerves to the muscles enabling them to move. The Description of
Open Up Your Heart (And Let the Sunshine In) two measures to the published version of Aloha Oe by Princess Lili`uokalani (1878), and "There's Music In the Air" by George F. Root (1854), and all three share the same chord progression IV-I-V-I. The 1969 #1 hit song Aquarius/Let the Sunshine In by The 5th Dimension contains the refrain "Let the Sunshine In" and backing vocals that include the phrase "Open Up Your Heart". Open Up Your Heart (And Let the Sunshine In) "Open up Your Heart (and Let the Sunshine in)" is a popular song. It was written by Stuart Hamblen. The song was published in 1954. The biggest