CV Fitness & Effects of Exercise on all systems (yr11)

Which one of the following is an effect of lactic acid?

• Gives you a feeling of excitement

• Causes extreme hunger pains

• Helps to create oxygen in the lungs

• Causes muscle fatigue during exercise

Which one of the following is a short-term effect of exercise on the muscular system?

• Decrease in stroke volume

• Increase in the temperature of the muscles

• Decrease in blood flow from the heart

• Increase in muscle mass

Which one of the following is a long-term effect of exercise on the muscular system?

• An increase in tidal volume in muscles

• A decrease in blood flow to muscle fibres

• An increase in muscle fatigue

• An increase in tolerance to lactic acid

Which one of the following is the correct term for normal breathing at rest?

• Stroke volume

• Vital Capacity

• Tidal Volume

• Cardiac Output

Which one of the following blood vessels takes oxygenated blood away from the heart to the body?

• Pulmonary Vein

• Pulmonary Artery

• Aorta

• Vena Cava

What is the painful, fatiguing by-product sometimes produced when working anaerobically?

• Oxygen

• Carbon Dioxide

• Lactic Acid

• Nitrogen

Identify which one of the following is part of the structure of the capillaries?

• Muscular wall

• Carried in the blood

• has valves

• thin walled

Which one of the following blood vessels carries oxygenated blood back to the heart?

• Aorta

• Pulmonary Artery

• Pulmonary Vein

• Vena Cava

Which one of the following is responsible for the clotting of the blood?

• Plasma

• Platelets

• Red Blood Cells

• White Blood Cells

What is the function of arteries?

• To help regulate blood pressure

• To only carry oxygenated blood

• To carry blood to the heart

• To be a site for diffusion