There is a valve at the meeting point between each ureter and the bladder prevents the back flow of urine from the urinary bladder to the kidney
Answer:
D
the skeletal system provides protection for the brain and spinal cord
Answer: Carbon dioxide
Krebs cycle, also known as the citric acid cycle or TCA, uses 1 glucose molecule to produce 2 acetyl Co-A molecules which in turn are broken down to release:
1) 4 CO2
2)2FADH2
3) 6NADH
4) 2ATP
Water treatment is any process that improves the quality of water to make it more acceptable for a specific end- use. The end use may be drinking, industrial water supply, irrigation,river flow maintenance, water recreation or many other uses, including being safely returned to the enviroment
Answer:
kindness is being true and loyal to people