question
What are the three main functions of the digestive system?
answer
1. Brakes down food into molecules so that the body can use the food2. Blood absorbs molecules to be carried around3. Eliminates Waste
question
What is the alimentary canal (digestive organ)? Example?
answer
It is a continuous muscle tube that goes through the whole body (digestive tract) An example would be mouth, esophagus, stomach, small intestine, large intestine. They digest and absorb nutrients.
question
What is the accessory organ (digestive organ)? Example?
answer
It helps the MAIN digestive organs. An example would be teeth, tongue, salivary glands, liver. Food never passes through these.
question
List the 6 steps to digestion.
answer
1. Indigestion: take food in to the mouth 2. Propulsion: the food moves into the alimentary canal 3. Mechanical digestion: breaking, crushing, and mashing food by enzymes for chemical digestion 4. Chemical digestion: enzymes breakdown food into basic components 5. Absorption: small intestine is in charge of the process of absorption 6. Defecation: eliminates indigestible waste from the body
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question
What is chemical digestion?
answer
enzymes break food into basic components
question
What is mechanical digestion?
answer
Break, crush, and mash food.
question
How are mechanical and chemical digestion similar?
answer
They are similar because they both crush food.
question
How are mechanical and chemical digestion different?
answer
They are different because mechanical digestion physically breaks down food (crushed food) and chemical digestion breaks down food chemically (enzymes)
question
How does the mouth preform chemical and mechanical digestion?
answer
It is because mechanical digestion is your teeth (mashes food) and chemical digestion is your saliva (makes food slippery so that it can go down your throat)
question
How does the stomach preform both mechanical and chemical digestion?
answer
It is because the chemical digestion is the pepsin in your stomach, and the mechanical digestion is the three layers of smooth skin in your stomach.
question
Pancreas function and structure?
answer
The pancreas makes pancreas fluid that flows through the small intestine. It is between the liver and the stomach
question
Small intestine function and structure?
answer
The small intestines function is absorption. It is above the rectum.
question
Liver function and structure?
answer
The liver's function is make bile, filter blood, store nutrients that the body doesn't need at that moment. It is next to the esophagus and above the gallbladder.
question
Gallbladder function and structure?
answer
The gall bladder stores bile that the liver makes. It is inside the liver.
question
large intestine function and structure?
answer
The large intestine's function is to receive the soupy digestion and take out the water and turn it into feces. It is next to the small intestine.
question
Kidneys function and structure?
answer
The kidneys are organs that make 2,000 liters of blood a day. There are two of them.
question
Nephrons function and structure?
answer
It filters blood and cleans the blood in kidneys. It is inside the kidney.
question
Why is it important to release chyme slowly from the stomach?
answer
It prevents hurting your intestines.
question
What is the order that the chyme goes through when leaving the stomach.
answer
1. Mouth2. Esophagus3. Stomach4. Small intestine5. Large intestine6. Rectum7. Anus
question
Describe three functions of the pancreas?
answer
They create pancreas fluids that go into the small intestine, and they make hormones that regulate a person's blood sugar level. Make insulin and glucagon.
question
What are the two functions of the small intestine? Does villi aid in these functions?
answer
The functions of the small intestines are absorption. The villi does aid in these functions because they increase the surface of the intestine so that it causes more absorption. It absorbs nutrients.
question
What are three functions of the liver
answer
The liver makes bile, stores nutrients not needed by the body at that moment, and filters blood.
question
How does the gallbladder relate to the liver?
answer
The liver makes bile, and the gallbladder stores the bile.
question
What are two things that can happen to nutrients once they are broken down?
answer
They get absorbed in the body and travel or they they get stored.
question
What is the function of the large intestine?
answer
It absorbs water from the soupy food and turns it into feces.
question
How long does it take for your food to make an entire journey around the whole body?
answer
Finger like projections that cover the outside of an intestine. It contains nutrient-absorbing cells.
