Digestive Functions
This is the process where food first enters the mouth.
What is ingestion?
Digestion begins in this part of the body.
What is the mouth?
Measuring 6 meters long, this is where most digestion actually takes place
What is the Small intestine?
The excretory system's primary function is to rid the blood of this specific waste product.
What is Urea?
These tubes lead from each kidney to the urinary bladder.
This term describes the process of breaking food down into small molecules
What is Digestion?
This small flap of tissue automatically closes over the trachea to prevent choking during swallowing.
What is the Epligottis?
This organ produces bile, which acts like "dish detergent" to break up fats
What is the Liver?
These are the two main organs that filter blood that has collected wastes from cells
What are the Kidneys?
This muscular organ holds urine until it is ready to be eliminated.
What is the Urinary Bladder?
This specific type of digestion occurs when food is chewed and churned
What is Mechanical Digestion
These rhythmic muscular contractions force food downward through the esophagus and into the stomach
What is Peristalsis?
Nutrients are absorbed into the blood through these tiny finger-like structures in the small intestine
What is Villi?
These are the actual microscopic filters found inside the kidneys.
What are Nephrons?
Urine is carried from the bladder out of the body through this single tube
What is the Urethra?
In this stage, small food molecules are taken into the body's cells (Primarily in small intestine).
What is absorption?
In the stomach, this specific acid works with the enzyme pepsin to break down proteins.
What is HCL?
This 1.5-meter-long organ is where most water is absorbed from undigested food.
What is the Large Intestine?
This vessel carries blood containing waste products into the kidney.
Renal Artery?
This vessel carries clean, filtered blood out of the kidney and back to the body.
This final digestive process involves passing unabsorbed food molecules out of the body.
What is Elimination/Excretion?
Mostly made of water, this substance in the mouth contains mucus and the enzyme ______ to chemically digest food through saliva.
What is Ptyalin?
Living in the large intestine, these "helpful" organisms make vitamins K and B,
What is Bacteria?
Sterile waste fluid, known as urine, is composed of this percentage of water.
What is 96%?
While primarily part of the respiratory system, these organs are considered "excretory" because they release carbon dioxide.
What is the Respiratory System?