circulatory system

Which system works with the circulatory system to provide oxygen to the body?

• Digestive system

• Nervous system

• Respiratory system

• Endocrine system

What is the significance of the pulmonary circulation?

• It carries deoxygenated blood from the heart to the lungs and returns oxygenated blood back to the heart.

• It transports oxygenated blood from the heart to the body tissues.

• It filters blood to remove toxins before it reaches the heart.

• It regulates blood pressure throughout the circulatory system.

What role do red blood cells play in the circulatory system?

• They help in blood clotting.

• They carry oxygen from the lungs to the body's tissues and transport carbon dioxide back to the lungs.

• They regulate body temperature.

• They produce hormones for the body.

What is the largest artery in the body?

• The aorta.

• The pulmonary artery.

• The femoral artery.

• The coronary artery.

What is blood primarily composed of?

• Red blood cells, white blood cells, plasma, and platelets.

• Only red blood cells and plasma.

• Only white blood cells and platelets.

• Plasma and nutrients.

What is the difference between arteries and veins?

• Arteries carry blood towards the heart, while veins carry blood away from the heart.

• Arteries carry oxygenated blood, while veins carry deoxygenated blood only.

• Arteries carry blood away from the heart, while veins carry blood back to the heart.

• Arteries and veins both carry blood in the same direction.

What does the circulatory system deliver to muscles for energy?

• Carbon Dioxide

• Oxygen

• Glucose

• Nitrogen

What is the main function of the circulatory system?

• To transport blood, nutrients, and gases throughout the body.

• To digest food and absorb nutrients.

• To provide structural support to the body.

• To facilitate gas exchange in the lungs.

What is the function of capillaries in the circulatory system?

• They transport blood away from the heart.

• They allow for the exchange of oxygen, carbon dioxide, nutrients, and waste between blood and tissues.

• They store blood for later use.

• They regulate blood pressure by constricting and dilating.

How does the heart function in the circulatory system?

• It pumps blood first to the lungs, back to the heart, and then around the rest of the body.

• It filters blood and removes toxins before sending it to the body.

• It stores blood until it is needed by the body.

• It produces hormones that regulate blood pressure.