Circulatory System

It is responsible for the transportation of the nutrients, oxygen, and wastes that circulate throughout the body.

• Circulatory System
• Respiratory System

The Circulatory System provides the body with a natural defense mechanism against the organism.

• True
• False

Parts of the Human Circulatory System

• Blood, blood vessels, and the heart
• Blood, veins, and the lungs

Responsible for transporting nutrients, oxygen, wastes, and carbon dioxide into and out of the body cells.

• Blood
• Heart

The blood is a liquid connective tissue that consists of red blood cells, white blood cells, platelets, and plasma.

• Blood
• Gametes

Carry oxygen from our lungs to the rest of our bodies. Then they make the return trip, taking carbon dioxide back to our lungs to be exhaled.

• Red blood cells
• White blood cells

The red blood cells contain hemoglobin

• True
• False

It is a protein that carries oxygen that is found within all RBCs

• Hemoglobin
• Phagocytosis

The lifespan of a red blood cell

• 100 months
• 120 days

These fight organisms that enter our body.

• White blood cells
• Red blood cells