Respiratory/Circulatory Rv

1. Respiratory takes in ________ and releases ______

• carbon dioxide, carbon
• oxygen, carbon
• carbon dioxide, oxygen
• oxygen, carbon dioxide

2. What do red blood cells carry

• White blood cells
• Carbon Dioxide
• Oxygen
• Oxygen and Carbon Dioxide

3. What is main organ of the respiratory system

• Heart
• Trachea
• Lungs
• Alveoli

4. What links arteries to veins

• Heart
• alveoli
• capillaries
• platelets

5. Where does respiratory system began

• bronchi
• lungs
• nostrils/mouth
• windpipe

6. What is the dome shaped muscle that helps us breathe

• diaphragm
• lungs
• heart
• tricep

7. Which blood cells help us fight off disease

• red blood cells
• white blood cells
• plateles
• capillaries

8. What are the 4 types of red blood cells

• A, B, C, D
• A, B AC, O
• A, B, AB, O
• A, B, C, O

9. What are the tiny air sacs located inside the lungs that allow respiration to occur

• artery
• veins
• capillaries
• alveoli

10. What is main function and organ of the circulatory system

• Communicate, Heart
• Digest, heart
• Breath, heart
• Transport, heart