Digestive system

• What is the primary function of the rectum?

  Stores feces before excretion
• How does the rectum store feces?

  It has large intestines that retain waste
• What does the liver produce?

  Bile and enzymes for digestion
• What is the role of bile in digestion?

  It emulsifies fats for easier digestion
• What does the stomach secrete?

  Acid and enzymes for digestion
• How do enzymes function in the digestive system?

  They break down food into smaller molecules
• What is the function of the gallbladder?

  Stores and concentrates bile
• What happens to bile after it is secreted?

  It is stored in the gallbladder
• What is the role of the pancreas in digestion?

  Produces enzymes and hormones
• How do enzymes from the pancreas aid digestion?

  They help break down carbohydrates, fats, and proteins
• What is the function of salivary glands?

  Produce saliva to aid digestion
• What is the significance of saliva in digestion?

  It contains enzymes that begin carbohydrate digestion
• What is the role of hydrochloric acid in the stomach?

  Kills bacteria and activates enzymes
• How does the stomach protect itself from acid?

  It secretes mucus to line the stomach walls
• What is the function of the small intestine?

  Absorbs nutrients from digested food
• How does the small intestine maximize nutrient absorption?

  It has villi that increase surface area
• What is the purpose of the large intestine?

  Absorbs water and forms feces
• How does the large intestine contribute to digestion?

  It absorbs remaining water and electrolytes
• How do the functions of the small intestine and large intestine differ?

  The small intestine absorbs nutrients; the large intestine absorbs water
• What is the role of muscle contractions in the digestive system?

  They move food through the digestive tract
• How do muscle contractions aid in digestion?

  They mix food with digestive juices and propel it
• What is the function of the esophagus?

  Transports food from mouth to stomach
• How does the esophagus facilitate food transport?

  It uses peristaltic movements to push food
• What is the relationship between the digestive system and the circulatory system?

  The digestive system provides nutrients to the bloodstream
• What is the role of the liver in metabolism?

  Processes nutrients absorbed from the intestines
• How does the liver regulate blood sugar levels?

  It converts excess glucose into glycogen
• How do the functions of the liver and pancreas complement each other?

  The liver processes nutrients; the pancreas produces enzymes
• What is the function of the gallbladder?

  Stores bile produced by the liver
• How does the gallbladder release bile?

  It contracts in response to food intake
• What is the role of the rectum in the digestive process?

  Stores feces until excretion
• How does the rectum signal the need for excretion?

  It stretches when filled with feces
• How does the digestive system interact with the nervous system?

  The nervous system regulates digestive processes
• What is the primary function of the digestive system?

  Breaks down food and absorbs nutrients
• How does the digestive system maintain homeostasis?

  By regulating nutrient absorption and waste elimination
• What is the significance of the microbiome in digestion?

  It aids in breaking down complex carbohydrates
• What is the role of fiber in the digestive system?

  Promotes regular bowel movements
• How does fiber benefit digestive health?

  It adds bulk to stool and aids movement
• How do dietary choices impact digestive health?

  They influence nutrient absorption and gut microbiome
• What is the role of mitochondria in the DS

  muscle cells are packed with mitochondria which provide energy for contraction
• What’s the difference between a tissue and an organ

  • a tissue is a group of cells with a similar structure and function
  • An organ is a group of tissues working together for a specific function
  • Organs together are called organ systems which work together to form organism