Grade 6 - Digestive System Flashcards
What system is responsible for the digestion of food?
Digestive system
What does the digestive system consist of that helps break down food into energy?
Organs
What are the primary functions of the digestive system?
Ingestion
Digestion
Absorption
Elimination
What do you call a process of putting food into your mouth?
Ingestion
This refers to the breakdown of food into small molecules that can be used by the body?
Digestion
What process happens after food is broken down into small molecules in the digestive system?
Absorption
What happens to substances that cannot be absorbed by the body, and in what form are they removed?
They are eliminated as feces.
What is an example of a material that your body cannot digest?
Cellulose.
How is your digestive system divided?
Alimentary canal and accessory organs.
This refers to a tubular passage through which the food passes and is digested?
Alimentary canal or digestive tract.
What are the main organs involved in digestion that form part of the alimentary canal?
mouth
esophagus
stomach
small intestine
large intestine
How do you call those organs that help in the digestion process by secreting enzymes that further breakdown food particles?
Accessory organs
Provide some accessory organs?
pancreas
liver
gallbladder
salivary glands
What is the term for the process that involves the physical breakdown of food into smaller pieces?
mechanical digestion
This is the rhythmic, involuntary contraction of smooth muscles is called?
Peristalsis
This refers to the break down of food into simpler nutrients that can be used by the cells?
Chemical digestion
What facilitates chemical digestion?
acids and enzymes
What enzyme that is responsible in breaking down starch into sugar?
amylase
What do you call a ball of partially digested food that is mixed with saliva?
bolus
This is a muscular tube that transports bolus from mouth to stomach?
Esophagus
It is a J-shaped muscular sac that digests and temporarily stores food?
Stomach
This is a fluid produced by cells that line the stomach?
Digestive juice
Composition of the digestive juice?
hydrochloric acd (HCI)
pepsin