WebAug 2, 2024 · A biological system is a group of organs that work together to perform a specific function. The respiratory system takes in oxygen and releases carbon dioxide, … WebDigestion. Digestion is a process in which larger, insoluble food substances are broken down into smaller, soluble food molecules, which can be easily absorbed into blood circulation. This catabolism occurs as the food moves through the alimentary canal, involving processes such as: mechanical digestion and chemical digestion.
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WebJan 15, 2024 · The stomach has the lowest pH in the digestive system, occasionally reaching as low as 1.0. Immediately afterward, though, the enzymes of the small intestine function at a pH between 6.0 and 7.4, … WebDefine biological. biological synonyms, biological pronunciation, biological translation, English dictionary definition of biological. also bi·o·log·ic adj. 1. Of, relating to, caused by, or affecting life or living organisms: biological processes such as growth and digestion. daniel hughes t g beighton
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WebOct 4, 2024 · Mastication Definition. Mastication is the mechanical grinding of food into smaller pieces by teeth; it is essentially a technical word for “chewing”. Mastication breaks down food so that it can go through the esophagus to the stomach. Breaking down food into smaller pieces also increases its surface area so that digestive enzymes can ... Web4.1 Biological Molecules. The large molecules necessary for life that are built from smaller organic molecules are called biological macromolecules. There are four major classes of biological macromolecules (carbohydrates, lipids, proteins, and nucleic acids), and each is an important component of the cell and performs a wide array of functions. WebFeb 28, 2024 · The GI tract is a series of hollow organs joined in a long, twisting tube from the mouth to the anus. The hollow organs that make … birth certificate replacement detroit mich