Digestive sytem Flashcards
(42 cards)
Your cells need nutrients found in_______? ( Fill in the blank )
food
What does nutrients do for your body
produces energy, and materials for cell development, growth, and repair
What are Carbohydrates
sugars = energy
What are lipids
fats
What are proteins
Meats
What are the main essential sources of nutrients for
proteins, Carbohydrates, Fats, Vitamins, Minerals, and Water
What is Homeostasis
The body’s ability to maintain a stable internal environment despite external changes.
What is the function of the digestive system
Breaks food down into small molecules that are absorbed into the blood stream
What are the two types of digestion
1- Mechanical digestion
2- Chemical digestion
What is Mechanical digestion
Physical Proscess: food is chewed, mixed, and churned
What is Chemical digestion
Physical process:L food is turned into mushy substance using stomach acid , bile, saliva, and other (enzymes)
What are the organs of the digestive system
Tongue, Teeth, Salivary glands, liver, gallbladder, pancreas, mouth, esophagus, stomach, small and large intestine, rectum and anus
What is an accessory organs
why is it an accessory organ
and what are they
Acessory organs - food does not pass through these
What is the digestive tract
and what makes up the digestive tract
Digestive tract- food does pass through
mouth, esophagus, stomach, small and large intestine, rectum and anus
What is Amylase
An enzyme in your salyva, breaks down starch
Mouth tongue, teeth, and saliva change food into soft mass
what is that soft mass called
Ballus
What is the Esophagus
and what is its function
Muscular tube moves food to stomach- using peristalis( muscle contractions)
What is the Stomach
and what is its function
Muscular sac that turns food into a thin, watery liquid called Chyme
What is Peristalsis and Enzymes/Pepsin
Peristalsis- Mechanical digestion in the stomach
Enzymes/Pepsin(Protein)- Chemical digestion in the stomach
What is the small intestine
and what is it’s function
Long tube(Small diameter) that functions break down food, absorb nutrients the body needs, and excrete unnecessary components.
What is the liver
and what is its function
Large red brown organ that makes bile
What is the gallbladder
and what is its function
Stores bile until which is released into S.I and helps break down fats like detergents
What is the pancreas and what is its function
Makes digestive enzymes and isulin which regulates blood sugar
What is the Large Intestine
and what is its function
Absorbs excess water from undigested chyme