Confidence, not rates, is key for U.S. economy: Wells Fargo CEO. By Dan Freed. Still-fragile consumer confidence, rather than expected interest rate hikes, is the most important factor holding back a stronger U.S. economic recovery, Wells Fargo CEO John Stumpf said on Tuesday.
The lungs directly connect the respiratory system to the circulatory system, for in the lungs, oxygen will leave the air and enter the blood so that it can be transferred to all of the other cells in your body.he lungs directly connect the respiratory system to the circulatory system, for in the lungs, oxygen will leave the air and enter the blood so that it can be transferred to all of the other cells in your body.
Next. Gas exchange surfaces allow living things to obtain the oxygen they need for respiration. Large organisms need organs for gas exchange, such as gills in fish and lungs in mammals. The parts of the human respiratory system work together to get air into and out of the body.The respiratory system protects itself from disease but there are still diseases of the lungs, including asthma.as exchange surfaces. Most living things need oxygen to release energy from food by respiration. They also need to release waste carbon dioxide (from respiration) into the surroundings. This means that they need a surface which can exchange these gases with the surroundings.