Answer:
Water
Explanation:
The main things living things need to survive are food, air, sunlight and water. You have to stay hydrated for your body to continue functioning
Answer:
To escape from dangers grasp?
Explanation:
Hyperventilation. You're freaking out when doing this.
Hi !
Answer:
speeds up the heart beating : <em>adrenaline</em>
narrows arteries to increase blood pressure : <em>cortisol</em>
<em>only found in females : </em>estrogen