Systems: are formed by organs, share the necesary task to perform the functions
Nutrition: DIGESTIVE SYSTEM: prepares ingested foods RESPIRATORY SISTEM: carries the oxigen CIRCULATORY SYSTEM: share oxygen and nutrients EXCRETORY SYSTEM: realases excretory substances
Interaction: NERVOUS SYSTEM: recives infromation from the enviroment ENDOCRINE SYSTEM: secret hormones in different ways SKELETAL AND MUSCULAR SYSTEM: encharged of movement SENSE ORGANS: capture important information
Food and nutrients: CARBOHIDRATES: give as energy and can be pound in many of the foods we eat. Solouble in water SIMPLE CARBOHIDRATES: have a sweat taste, include glucose COMPLEX CARBOHIDRATES: are not sweet an important one is strach (almidón)
Lipids: They are not soluble and have an oily apearance. FATS: full of energy, can be saturated or unsatured
Proteins: these nutrients are the most important structural molecules, formed by amino acids. Organic nutrients: carbohidrates, lipids and proteins
Mineral salts: Inorganic substances that have different functions in the body: structural or regulation of cellular metabolic reactions
Water : Is the most common molecule in our body is 63% and it acts as a soluent for other nutrients.