Blood Basics
Blood Cells
The Heart
Blood Vessels
Circulation and Blood Flow
100

This liquid portion of blood makes up about 55% of total blood volume.

What is plasma?

100

Cells that carry oxygen.

What are red blood cells (erythrocytes)?

100

The heart has this many chambers.

What is four?

100

Vessels that carry blood away from the heart.

What are arteries?

100

Circulation between heart and lungs

What is pulmonary circulation?

200

The fragments of blood cells responsible for clotting.

What is platelets?

200

Cells that fight infection.

What are white blood cells (leukocytes)?

200

The upper chambers of the heart.

What are the atria?

200

Vessels that carry blood back to the heart.

What are veins?

200

Circulation between heart and body.

What is systemic circulation?

300

The pigment that gives blood its red color.

What is hemoglobin?

300

Blood fragments responsible for clotting.

What are platelets (thrombocytes)?

300

The valve between the left atrium and left ventricle.

What is the bicuspid valve?

300

The smallest blood vessels where exchange occurs.

What are capillaries?

300

The vessel that carries oxygenated blood from lungs to heart.

What are the pulmonary veins?

400

Average adult blood volume in the human body.

What is about 5 liters?

400

The universal donor blood type.

What is O negative?

400

The natural pacemaker of the heart.

What is the SA node (sinoatrial node)?

400

Arteries have this compared to veins

What are thicker, more muscular walls?

400

The side of the heart that pumps blood to the body.

What is the left side?

500

The process of blood cell formation

What is hematopoiesis?

500

The blood type known as the universal recipient.

The blood type known as the universal recipient.

500

The phase when the heart contracts.

What is systole?

500

The largest artery in the body.

What is the aorta?

500

The force exerted by blood on vessel walls.

What is blood pressure?

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