Question | Answer |
what is responsible for the physical and chemical breakdown or food | digestive system |
where is the food taken to and used by | the blood stream and used by body cells and tissues |
what does the digestive system include | alimentary canal and accessory organs |
what is the alimentary canal | long muscular tube |
where does the alimentary canal begin | in the mouth. |
where does the alimentary canal end | the anus. |
accessory organs include what | salivary glands, tongue, teeth, liver, gallbladder, pancreas |
what recieves food as it enters the body | mouth |
special structures in the mouth | teeth. |
what do the teeth do? | break down food physically by chewing and grinding the food, a process called mastication |
what is the tongue | a muscular organ |
what does the tongue contain | special receptors called taste buds. |
what do taste buds allow | a person to taste sweet, salty, sour, and bitter |
the tongue also aids in what | chewing and swallowing |
what is the hard palate | bony structure that forms the roof of the mouth |
what does the hard palate separate | it separates te mouth from the nasal cavities |
where is the soft palate located | behind the hard palate |
what does the soft palate separate | it separates the mouth from the nasopharynx |
what is the uvula | a cone-shaped muscular structure |
where is the uvula located | hanging from the middle of the soft palate |
what does the uvula do | prevents food from entering the nasopharynx during swallowing |
how many pairs of salivary glands to we have | three (3) |
what are the three (3) salivary glands | parotid, sublingual, and submandibular |
the salivary glands produce what liquid | saliva |
what does saliva contain | an enzyme called salivary amylase formerly known as ptyalin |