Description should include the following basic anatomical structures and body cavities and their functions:

• Blood
• Blood vessels and blood circulation
• Immune system

Process/Skill Questions:

• What are the purposes of RBC? WBC? Platelets?
• How do blood tests help diagnose certain conditions or diseases?
• How does blood travel through the body?
• What component of a RBC helps maintain blood oxygen level?
• How does the function of the immune system relate to RBC transfusion?