What part did you need help understanding? Your definition is pretty strong- the epiglottis keeps food from entering the trachea and lungs. It also opens during breathing to allow air into the lungs. Good luck on your test, let me know if you need anymore refreshers!
the right answer is by diffusion across a capillary wall
Answer is 3 it uses chemical and physical changes when using stomach acid and physical when turning food in your stomach.
The correct answer is that it "naturally favor the formation of products".
Spontaneous Reactions is best described as a response that favors the formation of merchandise on the situations under which the reaction is happening. A roaring bonfire is an instance of a spontaneous reaction, for the reason that it is considered to be exothermic (there may be a decrease in the energy of the system as strength is launched to the environment as warmness).
Answer:
analogous structures are similar in function but different structure
Explanation:
this is because they serve the same function.