Digestive System Organs and Actions

digestive system takes _ into ___ to ____, absorbs __ from food, and wastes

food, bodies, break it down, nutrients, eliminates

the alimentary canal is a long hollow _ tube made of that extends from _ to _

continuous, muscular, smooth muscle, mouth, anus

food in the alimentary canal is because it is open to and only the nutrients we absorb come _

outside the body, outside, inside

accessory organs are located along _ and assist ___

alimentary canal, digestive processes

____ is the process of bringing food into the alimentary canal/body

ingestion

propulsion involves ___ which is the process of swallowing as well as _ which is waves of smooth muscle contractions

deglutition, peristalsis

peristalsis is waves of contractions in ____

smooth muscle, esophagus

mechanical digestion is the of big pieces into smaller ones

physical breakdown

mechanical digestion involves (3)

• mastication

• mixing

• segmentation

mixing is when the mixes things with in the mouth as well as ____ in the stomach

tongue, saliva, churning

segmentation is the alternation of and __ and squeezes to break things up

contraction, relaxation

chemical digestion is the breakdown of food into smaller pieces and begins in the _ and continues through the and there is ___ of labor

enzymatic chemical, mouth, small intestine, division

absorption is a phenomenon of the _ as it involves moving digestive products out of the _ of the through the _ and into

small intestine, lumen, alimentary canal, mucosal lining, blood/lymph

is the elimination of wastes

defecation