science (quiz 3) excretory system

Question 1

what is the excretory system?

Answer 1

body system that elimates waste from the body - sometimes called the urinary system

Question 2

what is the excretory system also called?

Answer 2

the urinary system

Question 3

what is the goal for the excretory system?

Answer 3

to maitain homeostasis (the body’s attempt to maintain a constant internal enviroment) - acheived in 3 main ways

Question 4

what is the first main function?

Answer 4

remove waste through feces, liquids, and gases

Question 5

what is the second main function?

Answer 5

balance water level - conserve or get rid of water in kidneys

Question 6

what is the third main function?

Answer 6

control blood pressure - controlled by kidneys, changes the volume of blood and water in body

Question 7

what is the order of the structure of this system?

Answer 7

1. Kidneys (urine)
2. Skin (sweat)
3. Large intesine (feces)
4. Liver (old blood)
5. Lungs (carbon dioxde)

Question 8

what is the goal for kidneys?

Answer 8

to filter blood

Question 9

what is the procedure of the kidneys?

Answer 9

wastes and water enter the tubule

needed substances return to the blood

waste from tubule becomes urine and enters the bladder
( food and water goes into the kidneys and the needed nutrients goes into the blood (digestive system) the extra waste goes into your bladder)

Question 10

what is the process of urination?

Answer 10

1. Blood enters the kidneys
2. The kidneys filter the blood and make urine
3. Urine travels through the ureters to the bladder
4. Urine is stored in the bladder
5. Urine travels through the urethra out of the body when a person urinates