Heart depending on what is counted as a chamber. The atrium and ventricle are sometimes considered "true chambers", while the others are considered "accessory chambers". Primitive fish have a four-chambered heart, but the chambers are arranged sequentially so that this primitive heart is quite unlike the four-chambered hearts of mammals and birds. The first chamber is the sinus venosus, which collects deoxygenated blood from the body through the hepatic and cardinal veins. From here, blood flows into the atrium and then to the powerful muscular ventricle where the main pumping action will take place. The fourth and final chamber is the
Given name register a name that may cause a child harm, which is considered offensive or which are deemed impractical. In France, the agency can refer the case to a local judge. Some jurisdictions, such as Sweden, restrict the spelling of names. Parents may choose a name because of its meaning. This may be a personal or familial meaning, such as giving a child the name of an admired person, or it may be an example of nominative determinism, in which the parents give the child a name that they believe will be lucky or favourable for the child. Given names most