B3 Organisation And Digestion Flashcards
What is the basic unit of life?
The cell.
True or False: Tissues are made up of similar cells that work together.
True.
What is the function of the digestive system?
To break down food into nutrients that can be absorbed by the body.
Fill in the blank: The _____ is the organ where most digestion and absorption of nutrients occurs.
small intestine.
Which organ is primarily responsible for the production of bile?
The liver.
What is the role of the pancreas in digestion?
To produce digestive enzymes and hormones such as insulin.
Multiple Choice: Which of the following is NOT part of the digestive system? A) Stomach B) Heart C) Small intestine
B) Heart.
What are enzymes?
Proteins that speed up chemical reactions in the body, including digestion.
True or False: The large intestine is where most nutrient absorption occurs.
False.
What is peristalsis?
The wave-like muscle contractions that move food through the digestive tract.
Fill in the blank: The _____ breaks down food into a semi-liquid form called chyme.
stomach.
Multiple Choice: Which nutrient is the main source of energy for the body? A) Proteins B) Carbohydrates C) Fats
B) Carbohydrates.
What are the four main types of tissues in the body?
Epithelial, connective, muscle, and nervous tissue.
True or False: The esophagus is responsible for the absorption of nutrients.
False.
What does the term ‘digestion’ refer to?
The process of breaking down food into smaller components that can be absorbed.
Fill in the blank: The _____ is the final part of the digestive system where waste is expelled.
rectum.
What is the role of saliva in digestion?
To begin the breakdown of carbohydrates and lubricate food for easier swallowing.
Multiple Choice: Which part of the brain regulates hunger and thirst? A) Cerebellum B) Hypothalamus C) Medulla
B) Hypothalamus.
What is the function of villi in the small intestine?
To increase surface area for absorption of nutrients.
True or False: Fiber is a type of carbohydrate that aids in digestion.
True.
Fill in the blank: The _____ produces insulin, which regulates blood sugar levels.
pancreas.
What is the primary function of the gallbladder?
To store and concentrate bile.
Multiple Choice: Which of the following is a function of the liver? A) Producing blood cells B) Detoxifying substances C) Storing bile
B) Detoxifying substances.
What is the role of the rectum in the digestive system?
To store waste until it is expelled from the body.
True or False: Nutrients are absorbed in the large intestine.
False.
What is the function of gastric acid in the stomach?
To break down food and kill bacteria.
Fill in the blank: The _____ transports food from the mouth to the stomach.
esophagus.
