digestive system Flashcards
(6 cards)
1
Q
the use of chemicals like acids and enzymes to break food down into smaller molecules
A
Chemical digestion
2
Q
the use of physical methods like chewing to break food down into smaller pieces
A
Mechanical digestion
3
Q
enzymes are necessary for most chemical reactions in our bodies
A
Enzymes
4
Q
of or relating to nourishment or nutrition
A
Alimentary
5
Q
A wall of tissue that separates the left and right sides of the heart
A
septum
6
Q
Flaps that are located within the heart that open and close to control the flow of blood. They ensure blood flows in the correct direction, preventing it from flowing backward.
A
valve
