PHYSCI 5 Chapter Notes - Chapter 2: Adipose Tissue, Large Intestine, Esophagus
24
PHYSCI 5 Full Course Notes
Verified Note
24 documents
Document Summary
Energy content in food indicated by calories. Macronutrients (essential nutrients) - energy providing (not all food provides energy) Stored in the liver or muscles or . We can use fo(cid:304) atp but (cid:342)e do(cid:269)"t (cid:342)a(cid:269)t to protein has many other more important functions. Stored in adipose tissue and a little in muscle and liver. Macro because we consume them in large quantities. Micronutrients - i(cid:268)po(cid:304)ta(cid:269)t, but do(cid:269)"t p(cid:304)o(cid:341)ide e(cid:269)e(cid:304)gy. Vitamins - a, d, e, k, b12, c. Supplements should not be used if the natural form can be used! Minerals - sodium, calcium, iron, iodine, etc. In every organ, something is done to the food. Breaks down starch >> glucose large >> small. Absorption - moving small molecules to blood circulation. Saliva from the salivary glands (3 pairs) Mixes w/ mucus which lubricates the food and enhances our taste buds. Lyzozymes - catalyzes the destruction of the cell walls of certain bacteria, antibacterial defense.
