1)Comparing your total amount of energy released and energy used (from Tables #1 and #2), provide
evidence to support that there was a net gain in
energy (kcal).
2)Comparing your total number of bonds broken and
number of bonds formed (from Tables #1 and #2),
provide evidence to support that there was a net gain
in energy with respect to bonds.
)

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.

i dont know it at allnow im just getting points at this pint

stimulus is a change in the environment that causes an organism to react. the response is the reaction to the stimulus. some examples of stimuli for zebras are drought, to many predators, and bad feeding grounds such as dead grass or plants. zebras respond to stimuli just like all other living organisms