1. What is meant by the term gaseous exchange? 2. Explain why the respiratory surface has to be:thin and moist
3. Explain how the following are adapted to their function
(a) Guard cells.
(b) Aerenchyma tissue.
4. List the environmental factors influencing t
stomata.
tages and disadvantages of hay​

Plzzz hurry im being timed ! humans, like other organisms, require energy for growth and repair. when cells create atp for energy, carbon dioxide is produced as a waste product. how does the body respond to this process in order to maintain homeostasis? a. the digestive and respiratory systems interact to move carbon dioxide to the lower intestine, where it is transformed into methane. b. the circulatory and digestive systems interact to move carbon dioxide to the stomach, where it to break down food. c. the nervous and urinary systems interact to move carbon dioxide to the kidneys, where it is absorbed into the bloodstream. d. the circulatory and respiratory systems interact to transport carbon dioxide to the lungs, where it is expelled from the body.

Describe the primary and secondary immune response in terms of speed and number of antibodies produced?

Which set of terms best describes a community of miners who live out in the countryside of west virginia and use specialized geographical equipment to analyze the composition of rocks