Week 3: Are you what you eat? Flashcards
Enzyme
A protein catalyst, that increases the speed of chemical reactions happening within the body
Peristalsis
Waves of smooth muscle contraction and relaxation along the digestive tract
Mediastinum
The central tissue area that divides the thoracic cavity into a left and right half, the mediastinum contains the heart, trachea, oesophagus and thymus
Oesophagus
Part of the digestive tube, that connects the pharynx (or throat) to the stomach
Epiglottis
A piece of cartilage that closes over the larynx and thus prevents food entering trachea when swallowing
Uvula
Part of the soft palate, that prevents food entering the nasal cavity when swallowing
Stomach
Part of the digestive tract that enables storage and mixing of food
Appendix
A small tube connected to the large intestine, it is a redundant part of the digestive system
Mastication
The process of chewing food in the mouth
Chyme
A food bolus churns in the stomach and mixes with various secretions becoming a liquid chyme
Intestines
Part of the digestive tract, intestines can refer to the small intestine where large amounts of digestion and absorption occur, or the large intestine where chyme is converted to faeces
Nutrition
The selection and preparation of food for consumption by the body, in order to provide essential nutrients to body cells
Abdominopelvic region
The abdominopelvic cavity is divided into 9 localised regions
Abdominopelvic quadrant
The abdominopelvic cavity is divided into 4 localised quadrants
Protein
A macromolecule consisting of many amino acids. Proteins have many different functions within the body