excretory system Flashcards
what is the main purpose of the excretory system
The excretory system is a vital biological system that removes excess and waste products from the body to maintain homeostasis
identify some organs in the excretory system
- kidney
- ureter
- bladder
- urethra
what is the function of the ureter in the excretory system
Each kidney has a narrow tube called a ureter, which carries urine from the kidney to the bladder
what is the function of the urethra in the excretory system
This tube allows urine to pass outside the body. The brain signals the bladder muscles to tighten, which squeezes urine out of the bladder
what is the function of the kidneys in the excretory system
Your kidneys remove wastes and extra fluid from your body. it also maintains levels of water and minerals inside our body.
what is the function of the bladder in the excretory system
The bladder’s walls relax and expand to store urine, and contract and flatten to empty urine through the urethra.
define excretion
Excretion is the process of removing wastes and excess water from the body
what is the function of the lungs in the excretory system
for the excretion of gaseous wastes, primarily carbon dioxide from cellular respiration in cells throughout the body
