Which best describes how the cardiovascular and respiratory systems work together? The respiratory system makes it possible for the cardiovascular system to make blood. The respiratory system feeds gases into the bloodstream to support the needs of the body. The respiratory system takes gases out of the blood so that no gases circulate in the body. The respiratory system helps the blood make its own gases from scratch.

Which of the following describes research that would be considered basic science? a. a farmer is trying to improve his crop yields by using a new kind of fertilizer. b. a college students is curious about the growth of desert pants in the presence of excess amounts of water. c. government officials are trying to prevent the spread of new strain of influenza virus. d. a doctor is trying to determine why a patient is feeling tried and sick.b.a college students is curious about the growth of desert pants in the presence of excess amount of water