Answer:
Endocrine System Functions
- Makes hormones that control your moods, growth and development, metabolism, organs, and reproduction.
- Controls how your hormones are released.
- Sends those hormones into your bloodstream so they can travel to other body parts.
Explanation:
A stimulus can be internal, or from within the organism itself. A stimulus can also be external, meaning it occurs outside the organism. Both internal and external stimuli can cause a response, or resulting reaction, in an organism.
Answer:
eight protrons
Explanation:
Oxygen is a chemical element – a substance that contains only one type of atom. Its official chemical symbol is O, and its atomic number is 8, which means that an oxygen atom has eight protons in its nucleus.
ATP contains energy in the chemical bonds between its phosphate groups, <span>best explains how the structure of ATP helps provide energy to the cell.</span>