Le digestive system Flashcards
🧠 🧠 (20 cards)
What is the main function of the digestive system?
To break down food into nutrients that the body can absorb.
True or False: The mouth is the starting point of digestion.
True
Fill in the blank: The process of chewing food is known as __________.
mastication
What enzyme in saliva helps to begin the digestion of carbohydrates?
Amylase
Which organ is primarily responsible for nutrient absorption?
Small intestine
Multiple Choice: Which part of the digestive system stores waste before it is excreted? A) Stomach B) Large intestine C) Liver
B) Large intestine
What is the role of the stomach in digestion?
To mix food with digestive juices and break it down into a semi-liquid form.
True or False: The liver produces bile, which aids in fat digestion.
True
Fill in the blank: The __________ connects the throat to the stomach.
esophagus
What is the term for the wave-like movements that help push food through the digestive tract?
Peristalsis
Multiple Choice: Which of the following is NOT part of the digestive system? A) Pancreas B) Heart C) Gallbladder
B) Heart
What is the function of the pancreas in digestion?
To produce digestive enzymes and hormones, such as insulin.
True or False: The large intestine is shorter than the small intestine.
False
Fill in the blank: Nutrients are absorbed into the bloodstream through the walls of the __________.
small intestine
What is the final part of the digestive system where waste is expelled?
Anus
Multiple Choice: Which substance neutralizes stomach acid in the small intestine? A) Bile B) Saliva C) Mucus
A) Bile
What is the process called where the body removes waste products?
Excretion
True or False: Digestion only occurs in the stomach and intestines.
False
Fill in the blank: The __________ is a muscular sac that holds food while it is being mixed with stomach enzymes and acids.
stomach
What are villi and where are they found?
Tiny, finger-like projections in the small intestine that absorb nutrients.
