What is the main driving force that directly causes air to flow in and out of the respiratory system? hint: it is the same force that creates blood flow?

Match each organ or function with its body system. produces urine large intestine ureters mouth filters blood absorbs nutrients from food

Match the type of adaptation to the correct example, structural adaptation functional adaptation behavioral adaptation example type of adaptation elephants live in herds to protect their young leaves of a rain forest plant species have a pointed tip that enables rainwater to drain off easily. camels have nostrils that they can close snakes produce venom to kill prey and defend themselves. earthworms coil when touched, as part of a defense mechanism. human skin darkens with increased exposure to sunlight.

Is there any solid scientific evidence that humans have been cloned?