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Peptide hormones or protein hormones are hormones whose molecules are peptides or proteins, respectively. The latter have longer amino acid chain lengths than the former. These hormones have an effect ...
Vein
The heart is a muscular organ in most animals that pumps blood through the blood vessels of the circulatory system. The pumped blood carries oxygen and nutrients to the body, while carrying metabolic ...
Hipervinculo Biología
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Es un recurso de Nora López en Cerebriti
Contenidos educativos, teóricos, prácticos y experimentales para trabajar la asignatura de Ciencias de la Naturaleza de sexto curso de Primaria. Los temas abordados son:
Aparatos digest ...
Dbpedia
Hemolymph, or haemolymph, is a fluid in the open circulatory system of arthropods (e.g. spiders, crustaceans such as crabs and shrimp, and insects such as stoneflies) and is analogous to the fluids an ...
Artery
The umbilical artery is a paired artery (with one for each half of the body) that is found in the abdominal and pelvic regions. In the fetus, it extends into the umbilical cord.
Modelo facsímil de una maqueta del cuerpo humano de 1940. Incluye representación gráfica de esqueleto, músculos y sistemas circulatorio y nervioso. Se recomienda esta act ...
Wikipedia Article
The yolk sac is a membranous sac attached to an embryo, formed by cells of the hypoblast adjacent to the embryonic disk. This is alternatively called the umbilical vesicle by the Terminologia Embryolo ...
Dbpedia
Cardiology (from Greek καρδίᾱ kardiā, "heart" and -λογία -logia, "study") is a branch of medicine that deals with the disorders of the heart as well as some parts of the circulatory system. The field ...
Embryology
The umbilical vesicle is a membranous sac attached to an embryo, formed by cells of the hypoblast adjacent to the embryonic disk. Formerly known as the yolk sac, this structure was renamed because it ...
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