Excretory System Flashcards
What are the organs that ensure elimination
Lungs
Kidneys
Sudopirias glands
What is role of the lungs in excretion
Ensure the disposal of CO2
How do the sweat glands excrete substances
Secret sweat through channels that open on the surface of the sling.
Sweat helps eliminate waste and toxins
What is sweat made up of
Water
Mineral salts
Waste from blood
What’s are the parts of the urinary system
2 kidneys
2 ureters
1 bladder
1 urethra
What is the role of our kidneys
Eliminates waste and if,yer the blood
Maintains the balance in our bodies through secretion of urine
Stabilizes the amount of water in our body
What is the nephron
Filter inside the kidney
Let’s fluid and waste products pass through and do not let the blood cells, large molecules and protein pass through
What are the ureters
Connects a kidney to the bladder
Routes ruin made in the kidney to the bladder
What is the bladder
Reservoir
Stores urine until urination
Can hold up to 1 litre
What is the urethra
Routes ruin from the bladder to the outside of the body
Urination
What is the composition of healthy urine
95 percent water
2.5 percent urea and other waste
Minerals
Substances in the blood that are excess
What are substances that are unhealthy in urine
Proteins (proteinurea)
Glucose (diabedes)
Lipids (too much fat)
Blood cells (kidney damage)
What is urea
gives urine its color
it comes from when cells use oxygen and amino acids to create energy
What happens when their is not a lot of minerals in the body
Kidneys will excrete more water, amount of urine increases
What happens when there is a high level of minerals in the body
Kidneys with excrete less water, amount of urine decreases. your body wants to hold on to the water.
Feel thirsty
