Heart Intro

Where is the human heart located and what protects it?

• On the right side of the body, protected by the stomach.

• In the center of the body, protected by the spine.

• On the left side of the body, behind the breastbone, protected by the rib cage.

• In the lower abdomen, protected by the pelvis.

What are the two main parts of the circulatory system?

• Brain and Lungs

• Heart and Kidneys

• Blood vessels and Heart

• Arteries and Veins

What system controls the automatic beating of your heart?

• The muscular system

• The skeletal system

• The autonomic nervous system

• The digestive system

After blood receives oxygen from the lungs, which side of the heart does it enter before being pumped to the rest of the body?

• The right side

• The left side

• The top atrium

• The bottom ventricle

Besides oxygen, what other vital substances does blood carry to all cells in your body?

• Waste products and carbon dioxide

• Food, minerals, and vitamins

• Hormones and enzymes

• Water and electrolytes