Understanding the Circulatory System

What is the main function of the circulatory system?

• To digest food

• To circulate blood, deliver nutrients, and remove waste products

• To control movement

• To produce hormones.

The circulatory system consists of the heart, veins, and ______.

• Lungs

• Stomach

• Blood vessels

• Kidneys

What is one of the functions of the circulatory system?

• Stabilizing body temperature and pH

• Digesting food

• Producing hormones

• Absorbing nutrients.

The circulatory system helps prevent ________ by maintaining stable blood pressure.

• Shock

• Fever

• Hunger

• Fatigue

What is the definition of the heart?

• A) A two-chambered muscle

• B) A four-chambered, hollow muscle used to pump blood

• C) A solid muscle used to store blood

• D) A muscle that filters blood.

The heart is divided into four compartments. Which of the following is not one of them?

• Left Ventricle

• Right Atrium

• Left Atrium

• Right Aorta

Fill in the blank: The _______ is the chamber of the heart that receives blood.

• A) Ventricle

• B) Atrium

• C) Artery

• D) Vein

What is the function of the right side of the heart?

• Pumps oxygenated blood to the body

• Pumps deoxygenated blood to the lungs

• Pumps blood to the brain

• Pumps blood to the stomach

The left side of the heart pumps _______ blood all over the body.

• deoxygenated

• oxygenated

• carbonated

• nitrogenated

Which part of the horse's heart is responsible for carrying oxygenated blood from the lungs to the heart?

• Aorta

• Pulmonary veins

• Right atrium

• Tricuspid valve