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Vor 4 Tagen · Emerging in the late 1960s and gaining traction throughout the 70s and 80s, power pop blends the crunchy, guitar-driven energy of rock with the polished, radio-friendly sensibilities of pop.
Vor 5 Tagen · Das habe aber nichts mit "guter" oder "schlechter" Musik zu tun. Im digitalen Zeitalter muss die Komplexität weichen. Populäre Songs sind in den vergangenen 70 Jahren immer schlichter geworden ...
Vor 3 Tagen · The base of the skull (or skull base) forms the floor of the cranial cavity and separates the brain from the structures of the neck and face. The skull base and vault collectively form the neurocranium.
Vor 4 Tagen · The study of the anatomy of the brain is neuroanatomy, while the study of its function is neuroscience. Numerous techniques are used to study the brain. Specimens from other animals, which may be examined microscopically, have traditionally provided much information.
Vor 4 Tagen · Heart, organ that serves as a pump to circulate the blood. It may be as simple as a straight tube, as in spiders and annelid worms, or as complex as the four-chambered double pump that is the center of the circulatory system in humans, other mammals, and birds. Learn more about the heart in this article.
- The Editors of Encyclopaedia Britannica
- In humans, the heart is situated between the two lungs and slightly to the left of center, behind the breastbone. It rests on the diaphragm, the mu...
- The heart consists of several layers of a tough muscular wall, the myocardium. A thin layer of tissue, the pericardium, covers the outside, and ano...
- The pumping of the heart, or the heartbeat, is caused by alternating contractions and relaxations of the myocardium. These contractions are stimula...
- The rhythmic noises accompanying the heartbeat are called heart sounds. The two distinct sounds are heard, a low, slightly prolonged “lub” (first s...
Vor 6 Tagen · This is an online quiz called Female Reproductive System label quiz. You can use it as Female Reproductive System label quiz practice, completely free to play. There is a printable worksheet available for download here so you can take the quiz with pen and paper.
Vor 3 Tagen · The upper cervical spine is crucial for several reasons: 1. Protecting the Brainstem. The atlas and axis vertebrae surround and protect the brainstem, which is responsible for transmitting signals between the brain and the rest of the body. Any misalignment in the upper cervical spine can affect the brainstem’s function, leading to a range of ...
