<span>The three systems interrelate for a complete function of the body. The respiratory and cardiovascular systems work together to perform the gas exchange function. Without gas exchange function, the cells would die, hence, it is crucial for these systems to work together.
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Through respiratory system, the oxygen enters the body and then it is transported as oxyhaemoglobin to the cells with the help of cardiovascular system. The cardiovascular system also performs the work to transport the waste product carbon dioxide to respiratory system, that evacuates it.
Hence, whithout respiratory system, the oxygen could not enter the body and it could not discharge the carbon dioxide waste. Without cardiovascular system, the oxygen and carbon dioxide could not travel the body.
The cardiovascular system relates with digestive system for an optimum heart rate. The digestive system produces nutrients and with help of cardiovascular system transports these nutrients where it is needed. The digestive toxins are also discharged from system with the help of cardiovascular system that transports them to kidneys.
Hence, the healthy equilibrium of human body is reached if all these systems work together in harmony.
The authentic scenery of the Caribbean uncovers the basic work the area played in the common clashes of the European powers since the fifteenth 100 years. In 1492, Christopher Columbus showed up in the Caribbean and affirmed the district for Spain.
Why are some Caribbean islands not free?
Not many out of each and every odd island/country in the Caribbean is free. Sadly, many are at this point agreed with past boondocks domains, including France, the Netherlands, and the Bound together Domain. Some that refined independence from Britain are by and by ward space countries with Sovereign Elizabeth II as their ruler and head of state.
The following year, the essential Spanish settlements were spread out in the Caribbean. But the Spanish triumphs of the Aztec space and the Inca domain during the sixteenth century made Mexico and Peru more supportive spots for Spanish examination and settlement; the Caribbean remained definitively huge.
Learn more about Caribbean islands here:
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Answer:
The rule of four.
Explanation:
A procedure used by the Supreme Court in determining which cases it will hear is called the rule of four, after the number of justices who must vote to grant a petition for review.
The correct answer is C.older people, disabled people, and unemployed people .
The Social Security Act was implemented once Franklin D. Roosevelt was elected president. The goal of this program was to provide financial assistance to individuals who were struggling the most during the early 1930's. This includes older people, disabled peope, and unemployed people. These categories made up a significant amount of the American population, as roughly 20% of people were unemployed when FDR took over at president. This era of difficult economic times in known in US History as the Great Depression.
FDR was hoping that this program would help Americans to recover from events like the Stock Market Crash of 1929.
