The end products are also different, in every living organism water and carbon dioxide are produced in aerobic respiration, whereas in anaerobic respiration, animals produce lactic acid, while plants and micro-organisms produce ethanol.
Answer;
-Synovial cavity
Explanation;
-The synovial cavity/joint is filled with synovial fluid. A synovial joint contains a synovial cavity and dense, irregular connective tissue that forms the articular capsule normally associated with accessory ligaments.
-A synovial joint occurs at articulating bones to allow movement. It is distinguished by a surrounding synovial capsule.The bones of a synovial joint are surrounded by a synovial capsule, which secretes synovial fluid to lubricate and nourish the joint while acting as a shock absorber.
I believe the answers are A. C. D.
All of the are false lowest it can be without a human ear picking up is 19 hertz
