Blood and the Cardiovascular System Quiz

Red blood cells carry oxygen to body tissues through hemoglobin.

The average adult heart rate at rest is 60-80 beats per minute.

Platelets help in clotting and preventing bleeding by forming clots at the site of injury.

The ulnar artery is not a major blood vessel; it is a branch of the brachial artery.

White blood cells are essential for the immune system and defense against infections.

Systole is the term for the contraction phase of the heart's pumping cycle.

Blood type O is known as the 'universal donor' because it can be transfused to patients with any blood type.

High blood pressure is medically known as hypertension.

The primary function of the cardiovascular system is to transport nutrients and oxygen to the body's cells and remove waste products.

ANP (Atrial Natriuretic Peptide) is released by the heart to regulate blood pressure and fluid balance.

Regular exercise is not a risk factor for cardiovascular disease; it is beneficial for heart health.

Hemoglobin in blood is responsible for transporting oxygen from the lungs to the tissues in the body.

The left ventricle pumps oxygenated blood to the rest of the body.

The exchange of oxygen and nutrients with body tissues occurs in capillaries.

The superior vena cava carries deoxygenated blood from the body to the heart.

The valves in the cardiovascular system prevent backflow of blood and ensure that blood flows in the correct direction.

In a blood pressure reading, the systolic pressure represents the pressure during heartbeats.