​a. Match the words to their explanations:
1. fascinating
2. obstacle
3. adrenaline
4. slide
a. the substance in your body that makes your heart beat fast when you feel fear or joy
b. something that blocks
c. move smoothly over a surface
d. amazing​

A Match The Words To Their Explanations1 Fascinating 2 Obstacle3 Adrenaline4 Slidea The Substance In Your Body That Makes Your Heart Beat Fast When You Feel Fea class=