Answer:
Nervous system: 3
Excretory system: 1.
Kidney: 2.
Respiratory system: 3.
Explanation:
Nervous system: Transmits nerve impulses to parts of the body.
Excretory system: Fluid waste that gets removed from the body.
Kidneys: A bean shaped organ that filters and transmits urine to the bladder, which transports out of the body.
Respiratory system: Brings oxygen to the lungs, and exhales carbon dioxide and waste materials.
Answer:
Not necessarily. Even if there is a duty to obey the law, it might be trumped in specific cases by considerations of justice. Even if there is such a duty, then, unlawful strikes, whistle-blowing and other acts of disobedience might be justified.
Explanation:
This feature article is about saving water by using natural gas instead of coal.
