Page 7 - E-Science Prim.6 2024-2025 U1 Con.2,3_Handy

4- When you are stressed before doing a race
Sympathetic nervous system activates & stimulates the

adrenal gland and causes:
a) Increasing the heart rate
b) Increasing blood pressure
c) Increasing the breathing rate
d) Muscles move faster

(Nervous, endocrine, circulatory, respiratory, musculoskeletal systems)

Side effects to stress
You got chill, your stomach hurt

5- When you see danger
a) The brain receives the information from the sense organ(eye)
b) The brain sends a signal to the muscles to respond.
c) Muscles use energy to contract and move my body.
d) So, you can fight or flight from the danger.

(Nervous, Musculoskeletal, circulatory, endocrine & respiratory
systems)

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First Term