Will give brainliest! which of the following is an example of the respiratory and circulatory systems working together? 1. the blood flows through the kidneys, and waste products are removed. 2. the lungs take in air, and the blood carries oxygen to the body's cells. 3. the diaphragm flexes, and the lungs take in air.

Research cheetahs on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? -cheetah how long has the animal been endangered or threatened? what has contributed to this animal’s endangered or threatened status? why is it important to save this animal from extinction? after researching and gathering facts, write a 350-word letter from the point of view of an animal rights' activist. be sure to include at least five facts that you learned from your research.