Forces and Levers Revision

What is the main organ of the circulatory system?

• Lungs

• Heart

• Capillaries

• Veins

Which type of circulation sends blood from the lungs and back?

• Pulmonary circulation

• Systemic circulation

• Arterial circulation

• Venous circulation

Where are oxygen and nutrients picked up by the blood?

• Arteries

• Veins

• Capillaries

• Alveoli

Which blood vessel carries oxygenated blood to all parts of the body except the lungs?

• Aorta

• Superior Vena Cava

• Inferior Vena Cava

• Pulmonary Artery

What is the main function of capillaries?

• Deliver oxygen and nutrients to cells

• Carry carbon dioxide and waste to the lungs

• Return blood from the body to the heart

• Pump blood through a network of arteries

What is the role of veins in the circulatory system?

• Carry oxygenated blood from the lungs to the body's tissues

• Carry carbon dioxide and waste towards the heart.

• Exchange of nutrients, oxygen, and waste products with tissues

• Pump blood through the body

What is the function of the heart in the circulatory system?

• To pump oxygenated blood to the body's tissues

• To carry deoxygenated blood from the body's tissues to the lungs

• To exchange nutrients, oxygen, and waste products with tissues

• To return blood from the body to the lungs

Arteries carry oxygen rich blood away from the heart.

• True

• False

Veins carry oxygen poor blood back to the heart.

• False

• True

The circulatory system works with the ___________ system to provide our body with oxygen.

• respiratory
• digestive
• muscular
• skeletal