Answer:
when she sees the dog charging towards her her eyes sees it and sends message to the brain and then brain gives the response to run away but after running sometimes she realises that she has left the dog far so her brain responds to slow down so, after a while her heart beats also slow down.
<em><u>hope</u></em><em><u> </u></em><em><u>it helps</u></em><em><u>.</u></em><em><u>.</u></em>
Its sending a visual stimulus to a potential mate
Answer: A torch is a practical example of a simple electric circuit.
Explanation: it consist of a bulb, electric cells, a switch, a reflector and a cylinderical shape casing bulb.The bulb emits lights when electric current flows through its filament.
The activity of an enzyme is affected by its environmental conditions like for example the temperature of the enzyme increases the kinetic energy that molecules are progressing