(21/10/24) Circulatory system

1. What is the primary blood group system in humans?

• A) Rh system
• B) ABO system
• C) MN system
• D) Lewis system

2. Which blood group is considered the universal donor?

• A) AB
• B) O
• C) A
• D) B

3. Which blood group can receive blood from all other groups?

• A) O
• B) A
• C) B
• D)AB

4. Which part of the heart receives deoxygenated blood?

• A) Left atrium
• B) Right atrium
• C) Left ventricle
• D) Aorta

What type of blood vessel carries oxygen-rich blood away from the heart?

• A) Veins
• B) Capillaries
• C) Arteries
• D) Lymph vessels