I WONDER - How Long Is The Circulatory System? Me Pregunto - Cuánto Mide El Sistema Circulatorio?

The circulatory system is a vast network that runs throughout the body, delivering blood, oxygen, and nutrients. It is primarily composed of veins and arteries, which, if extended, would measure over 96,500 kilometers, enough to circle the Earth twice. This extensive system contains about 5 liters of blood, highlighting its critical role in sustaining life.

What is the primary function of the circulatory system?

• To produce hormones

• To control body temperature

• To transport blood, oxygen, and nutrients

• To digest food

What are the main components of the circulatory system?

• Skin and hair

• Bones and muscles

• Veins and arteries

• Nerves and neurons

How long are the veins and arteries if extended?

• About 1,000 kilometers

• Exactly 50,000 kilometers

• Less than 10,000 kilometers

• More than 96,000 kilometers

How many times could the circulatory system's vessels wrap around the Earth?

• Once

• Three times

• Twice

• Four times

Approximately how much blood does the circulatory system contain?

• 5 liters

• 8 liters

• 2 liters

• 10 liters