What is the practice of injecting extra blood from their own bodies to improve performance known as?

• Platelet Infusion

• Hemoglobin Boost

• Blood Doping

• Blood Transfusion

What is the main purpose of blood doping in cycling?

• To enhance endurance

• To boost immune system

• To improve metabolism

• To increase muscle strength

What is the primary function of red blood cells in the body?

• Carrying carbon dioxide

• Transporting glucose

• Delivering oxygen

• Producing energy

How do athletes increase the number of red blood cells in their bodies through high-altitude training?

• By consuming iron supplements

• By training at sea level

• By breathing in less oxygen

• By injecting synthetic erythropoietin

What is the potential side effect of blood doping that can lead to heart failure?

• Lowered blood pressure

• Reduced heart rate

• Increased blood thickness

• Decreased blood viscosity

What is the main advantage of high-altitude training over blood doping?

• Immediate increase in red blood cells

• No risk of side effects

• Legal and ethical practice

• Faster adaptation to altitude

How do scientists detect blood doping through the age of red blood cells in a sample?

• By testing the glucose concentration

• By measuring the level of hemoglobin

• By analyzing the carbon dioxide content

• By comparing the number of older cells

What is the primary function of mitochondria in muscle cells?

Tags

NGSS.HS-LS1-7

What is the main reason for top cyclists to eat lots of carbohydrates, such as starch, while riding?

Tags

NGSS.HS-LS1-7

What is the primary reason for top cyclists to breathe hard during races?

• To increase lung capacity

• To reduce heart rate

• To improve oxygen intake

• To expel carbon dioxide