In your own words, write a sentence to answer the following question:

What is the function of the circulatory and respiratory systems and how do they work together?

The circulatory system transports oxygen, nutrients, and waste products throughout the body, while the respiratory system takes in oxygen and eliminates carbon dioxide. These two systems work together as the respiratory system obtains oxygen from the air and delivers it to the circulatory system, which then distributes it to cells. On the other hand, the circulatory system picks up carbon dioxide waste from the cells and transports it to the respiratory system, which eliminates it through breathing.

The circulatory system's function is to transport oxygen, nutrients, hormones, and waste products throughout the body, while the respiratory system's function is to take in oxygen and remove carbon dioxide from the body. These two systems work together as the respiratory system supplies oxygen to the blood, which is then pumped by the heart to the different organs and tissues through blood vessels, and in turn, the circulatory system carries waste products, including carbon dioxide, back to the lungs for exhalation.

The function of the circulatory system is to transport oxygen, nutrients, hormones, and waste products throughout the body, while the respiratory system is responsible for bringing in oxygen and removing carbon dioxide from the body. These systems work together by the respiratory system oxygenating the blood in the lungs, which is then carried by the circulatory system to the body's cells for energy production, while carbon dioxide is transported back to the lungs for exhalation.