Understanding Football Physiology

What is the primary reason footballers are always in motion during a game?

• To confuse the opponents

• To avoid getting tired

• To stay ready for action

• To entertain the audience

What happens to the blood flow when a footballer stops abruptly after a sprint?

• Blood flows faster to the brain

• Heart rate decreases

• Blood accumulates in the leg muscles

• Blood pressure increases

Why might a footballer feel dizzy after stopping suddenly?

• Too much blood in the heart

• Dehydration

• Excessive oxygen in the brain

• Lack of oxygen to the brain

How do footballers naturally prevent dizziness after a sprint?

• Through muscle contractions and vein valves

• By taking deep breaths

• By drinking water

• By sitting down immediately

What role do one-way valves in veins play for footballers?

• They prevent blood from flowing backward

• They enhance muscle strength

• They increase blood pressure

• They decrease heart rate