There are eleven major organ systems are present in human and animals. The organ system that generates the heat needed by warm-blooded animals such as humans is the muscular system. Aside from generating heat, the muscular system facilitates movement and locomotion. It produces body movements, maintains posture, and supports the body. Heat is generated thru muscle contractions and as much as 70% of the body heat is produced in the muscle tissue.
After studying the chart given, the trial which is the best data to support the claim is trial 2. This is because they squeezed more when they warmed up first. Another reason I picked trial 2 is because more students were used.
Answer: Nitrogen stays in the air.
Hope this helps! :D
-TanqR
(Please mark me as brainliest)
Is an error in cell division called non-disjunction.