Chapter 13: The Heart

Which of the following is a function of the heart?

• Produces digestive enzymes.

• Generates blood pressure.

• Filters waste from the blood.

• Stores oxygen.

What does the heart ensure in terms of blood flow?

• Two-way blood flow.

• No blood flow.

• One-way blood flow.

• Random blood flow.

How does the heart contribute to blood supply?

• It stops blood supply.

• It regulates blood supply.

• It decreases blood supply.

• It ignores blood supply.

Tags

NGSS.HS-LS1-3

What is one of the roles of the heart in blood circulation?

• Routes blood to where it needs to go.

• Destroys blood cells.

• Converts blood to energy.

• Absorbs nutrients from blood.

What is the size of the heart compared to a common object?

• The size of a basketball

• Slightly larger than your closed fist

• The size of a tennis ball

• The size of a grapefruit

Where is the apex of the heart located?

• At the 2nd intercostal space

• At the 5th intercostal space

• At the 3rd intercostal space

• At the 4th intercostal space

What is the shape of the base of the heart?

• Rounded point

• Flat portion

• Triangular point

• Curved portion

In which part of the body is the heart located?

• Within the abdomen

• Within the mediastinum

• Within the cranial cavity

• Within the pelvic cavity

What is the function of the pulmonary circuit?

• Carries blood to and from the lungs.

• Carries blood to and from all parts of the body, excluding the lungs.

• Carries oxygenated blood away from the heart.

• Carries deoxygenated blood to the heart.

Which circuit carries blood to and from all parts of the body, excluding the lungs?

• Pulmonary circuit

• Systemic circuit

• Arteries

• Veins