Ch 34 Heart and Circulatory System

Front

What type of circulatory system does NOT keep blood in blood vessels at all times?

Back

Open circulatory system.

Front

In a closed circulatory system, what is held in vessels and is separate from interstitial fluid?

Back

Blood.

Front

What characterizes a closed circulatory system?

Back

Blood travels through a system of blood vessels that extend throughout the body.

Front

In an open circulatory system, what is the fluid that bathes body cells?

Back

Hemolymph.

Front

Define a single-loop circulatory system.

Back

A system where blood flows in one direction through the heart and body, typically found in fish.

Front

Define a double-loop circulatory system.

Back

A system where blood flows through two circuits: one to the lungs and one to the rest of the body, typical in mammals and birds.

Front

What is the primary function of the circulatory system?

Back

To transport nutrients, gases, hormones, and waste products throughout the body.

Front

What are the main components of the circulatory system?

Back

Heart, blood vessels, and blood.

Front

What is the role of arteries in the circulatory system?

Back

To carry oxygenated blood away from the heart to the body.

Front

What is the role of veins in the circulatory system?

Back

To carry deoxygenated blood back to the heart.