Heart & Blood Flow
Blood Vessels
Blood Components
Circulatory System Disorders
Fun Facts & Trivia
100

What is the primary function of the heart

To pump blood throughout the body

100

What type of blood vessel carries blood away from the heart?

Arteries

100

What component of blood carries oxygen to the body's tissues?

Red Blood Cells

100

What is a common condition caused by high blood pressure?

Hypertension

100

How many chambers does the human heart have?

Four

200

What is the name of the valve that prevents backflow of blood from the left ventricle to the left atrium

Mitral valve

200

Which blood vessel is the smallest and facilitates the exchange of oxygen and nutrients with tissues?

Capillaries

200

What component of blood helps fight infections?

White Blood Cells

200

What is the name of the condition where the blood lacks enough healthy red blood cells?

Anemia

200

What is the name of the upper chambers of the heart?

Atria

300

What is the name of the blood vessel that carries oxygenated blood from the lungs to the heart?

Pulmonary vein

300

What is the name of the largest vein in the human body?

Inferior Vena Cava

300

What is the liquid portion of blood called?

Plasma

300

What is the term for irregular heartbeats?

Arrhythmia

300

What organ helps regulate the circulatory system by producing hormones that influence heart rate?

The Adrenal Glands

400

What is the average resting heart rate for an adult?

60-100 beats per minute.

400

What is the largest artery in the human body?

Aorta

400

What component of blood is responsible for clotting?

Platelets

400

What circulatory disease occurs when arteries become narrowed due to plaque buildup?

Atherosclerosis

400

What is the approximate total length of all blood vessels in the human body?

About 100,000 Miles

500

How long does it take for blood to circulate through the entire body?

About 1 minute.

500

What is the function of capillaries?

To allow the exchange of oxygen, nutrients, and waste between blood and tissues. 

500

What protein in red blood cells binds to oxygen for transport?

Hemoglobin

500

What disorder causes excessive bleeding due to the lack of blood clotting factors?

Hemophilia

500

What is unique about the pulmonary artery compared to other arteries?

It carries deoxygenated blood instead of oxygenated blood.