Unit 9 Lab Flashcards
Body Systems and Animals
Animals with tissue
Eumetazoa
Animals with two-sided symmetry and three tissue layers
Bilateria
Digestive systems with a single opening
gastrovascular cavity or incomplete digestive system
digestive system with two opening and specialized compartments for storage
Complete digestive system or alimentary canal
food goes in the
Mouth or oral cavity
what breaks down the food in the mouth?
Teeth
releases saliva which helps secrete mucus
salivary glands
What shapes the food?
tongue
food and saliva mixture
bolus
the area shared by both the digestive and respiratory system
Pharynx
What directs food to the correct system
epiglottis
carries the food from the mouth to the stomach
esophagus
waves of smooth muscle contractions in the esophagus
peristalsis
Stores and chemically brake down food
stomach
mixture of food and gastric juices
chyme
most enzymatic breakdown of the chyme occurs
Small intestine
what releases enzymes to help digest the macromolecules and bicarbonate to neutralize the acidity?
pancreas
produces bile
liver
bile is stored in
gall bladder
what helps digest fats
bile
What is composed of the cecum, colon and rectum?
the large intestine
the “dead end” pouch, in herbivores it increases digestion time
cecum
at the end of cecum, serves as a reservoir for gut microbes
appendix
what is responsible for reabsorbing water and concentrating waste material into feces
the colon