The Human Body
Popular in Nutrition
Popular in Department
This 2 page Class Notes was uploaded by Myrissa Webb on Tuesday September 6, 2016. The Class Notes belongs to ntri 2000 at Auburn University taught by Dr. Kevin W Huggins in Fall 2016. Since its upload, it has received 14 views.
Reviews for The Human Body
Report this Material
What is Karma?
Karma is the currency of StudySoup.
You can buy or earn more Karma at anytime and redeem it for class notes, study guides, flashcards, and more!
Date Created: 09/06/16
The Human Body Cardiovascular and Lymphatic System Heart and Blood Vessels Arteries (oxygen rich) Veins (oxygen poor) Capillaries (smallest) Systemic Circulation Blood being pumped in the heart Blood is red from the red blood cells if you take blood and let it sit out it will separate the red blood cells from the plasma Lymphatic System Fat digestions Separate system of vessels Blood Circulation Arteries: From the heart to the tissues comes from the left part of the heart Veins: From the tissues to the heart comes from the right part of the heart Anything leaving the intestine goes through the liver before returning to the heart. The vein between the intestine and the liver is called the Portal Vein Liver acts as a filter Lymphatic System Contains lymph Immune cells Passage for large particles Lymph vessels (larger than capillaries) Fat is too big to go from the intestines into the liver. So it goes into a lymph vessels and bypasses the liver to the heart What happens to the food we eat? Digestions: Breaking down food and releasing nutrients Mechanical (chewing) and Chemical (acid and enzymes) Absorption: Taking components of digestion through the intestinal wall into the body If something cannot be digested it is stuck in the digestive track and will cause problems Digestive System Mouth Mastication Mechanical digestion Saliva Enzyme (chemical digestion) Mucus Esophagus Propels food into the stomach Epiglottis Peristalsis (Swallowing begins this) Lower Esophageal Sphincter Flap that allows food to enter the stomach Stomach Mixes, digests, and stores food Holding chamber where good is broken down Gastric juices Hydrochloric acid Enzyme Formation of Chyme (Chyme: liquefied food) Staying in average 4hrs Pyloric Sphincter Flap that allow food to ender the small intestine About 1 tsp at a time Small Intestine Most digestion and absorption takes place here Folded walls Villi (finger like) Absorptive cell Enterocytes Absorption Large Intestines Colon Indigestive food components No villi, or enzymes Absorption of water Bacteria Rectum- Elimination Accessory Organs Gall Bladder Pancreas Digestive enzymes Hormones (Glucagon & Insulin) Pancreatic juice (bicarbonate Liver Bile Enterohepatic circulation Endocrine System Secretes regulatory substances, hormones, traveling in your blood Body's messenger system Insulin
Are you sure you want to buy this material for
You're already Subscribed!
Looks like you've already subscribed to StudySoup, you won't need to purchase another subscription to get this material. To access this material simply click 'View Full Document'