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The pumped blood carries oxygen and nutrients to the tissue, while carrying metabolic waste such as carbon dioxide to the lungs. [3] In humans, the heart is approximately the size of a closed fist and is located between the lungs, in the middle compartment of the chest, called the mediastinum. [4]
The third heart sound, or S 3 is rarely heard, and is also called a protodiastolic gallop, ventricular gallop, or informally the "Kentucky" gallop as an onomatopoeic reference to the rhythm and stress of S1 followed by S2 and S3 together (S1=Ken; S2=tuck; S3=y). [2] "lub-dub-ta" or "slosh-ing-in" If new, indicates heart failure or volume overload.
"Chan Mali Chan" is a folk song popular in Malaysia and Singapore. [1] [2] The song is a light-hearted song that may have its origin in a Malay poem pantun. [3]In Indonesia there are songs that have similar tones such as "Anak Kambing Saya" ("My Lamb" or "My Baby Goat") written by Saridjah Niung.
Each pulse causes the targeted chamber(s) to contract and pump blood, [3] thus regulating the function of the electrical conduction system of the heart. The primary purpose of a pacemaker is to maintain an even heart rate , either because the heart's natural cardiac pacemaker provides an inadequate or irregular heartbeat, or because there is a ...
A heart valve is a biological one-way valve that allows blood to flow in one direction through the chambers of the heart.A mammalian heart usually has four valves. Together, the valves determine the direction of blood flow through the heart.
The heart derives from embryonic mesodermal germ layer cells that differentiate after gastrulation into mesothelium, endothelium, and myocardium.Heart induction occurs in the anterior mesoderm during gastrulation through interactions with adjacent endoderm (both extra-embryonic and definitive) mediated primarily by endogenous inhibitors of WNT signaling such as DKK1.
Illustration by Jessie Willcox Smith (1863–1935). An illustration is a decoration, interpretation, or visual explanation of a text, concept, or process, [1] designed for integration in print and digitally published media, such as posters, flyers, magazines, books, teaching materials, animations, video games and films.
Hip-hop music and rapping's rhyme schemes include traditional schemes such as couplets, as well as forms specific to the genre, [3] which are broken down extensively in the books How to Rap and Book of Rhymes. Rhyme schemes used in hip-hop music include Couplets [4] Single-liners [5] Multi-liners [6] Combinations of schemes [7] Whole verse [8]