Circulatory System Video Quizizz

What color is human blood inside the body?

• Blue

• Green

• Red

• Clear

What is the main reason for the color variation in human blood?

• The presence of different nutrients

• The amount of oxygen it carries

• Its temperature

• The type of cells it contains

What is the primary function of blood in the human body?

• To provide structural support to the body

• To store excess nutrients for future use

• To transport nutrients, gases, and hormones

• To generate electrical impulses for movement

What do arteries do?

• Carry blood away from the heart

• Carry blood to the heart

• Filter blood

• Produce blood cells

What is the role of capillaries in the circulatory system?

• To store blood

• To oxygenate blood

• To exchange gases and nutrients at the tissue level

• To pump blood

Which valve prevents backflow of blood from the right ventricle to the right atrium?

• Tricuspid valve

• Pulmonary valve

• Aortic valve

• Mitral valve

What is the significance of the pulmonary artery?

• It carries oxygen-poor blood to the lungs

• It returns oxygenated blood to the left atrium

• It carries oxygen-rich blood to the heart

• It supplies blood to the heart muscle

Which part of the heart is responsible for pumping oxygenated blood to the body?

• Left atrium

• Right ventricle

• Left ventricle

• Right atrium

How does the heart receive its own supply of oxygenated blood?

• From the superior vena cava

• Through the pulmonary vein

• Via the aorta

• Through coronary arteries

What condition involves a defect in the heart's septum?

• Atrial septal defect

• Coronary artery disease

• Ventricular fibrillation

• Myocardial infarction