Because it creates energy and food for different beings
About 11 to 15 days after conception the zygote attach to the uterine wall
The organs listed above are all part of the excretory system except for the spleen and the <span>esophagus.
</span><span>The kidneys act to filter our blood, and remove wastes, which eventually pass out of us through urine,
The bladder acts to collect and store urine until it can be emptied through urination.
The ureter runs from the kidneys to the bladder whereas the urethra runs from the bladder to exit the body.</span>
Cell wall, chloroplasts, and central vacuole