How many excess kilocalories per day are required for an average individual to gain about 10 pounds in one year?
- 100
I believe you are asking about the "triangle" we were tought a simple triangle. Cells at the bottom because there are the most of them, tissues next, organ next, and organ system at the top. So I believe the answer you are looking for is Organ System.
The answer is D since doing more physical activity creates more energy and help people benefit from the exercise
I believe the answers to this is semen and saliva i think.
