Respiratory and Circulatory System Quiz

The Circulatory System consists of four main parts namely heart, blood, blood vessel and lungs

• True

• False

Choose the correct flow of blood through the heart

• Right atrium → Right ventricle → Lungs → Left atrium → Left ventricle → Body

• Right ventricle → Right atrium → Lungs → Left ventricle → Left atrium → Body

• Left atrium → Left ventricle → Lungs → Right atrium → Right ventricle → Body

• Lungs → Right atrium → Right ventricle → Left atrium → Left ventricle → Body

What is the special fluid primarily contained within the blood vessels?

• lymph
• plasma
• blood
• serum

Which of the four blood components is responsible carrying oxygen, nutrients, and wastes throughout the body?

• Platelets
• Red blood cells
• White blood cells
• Plasma

Which blood vessel has the thickest wall, allowing it to withstand the high pressure created by the heart?

• Vein

• Artery

• Atrium

• Capillary

What is the long tube that connects the mouth and nasal cavity to the rest of the respiratory system?

• larynx
• trachea
• bronchi
• pharynx

What are the tiny air sacs located at the end of each bronchiole where gas exchange takes place?

• Trachea
• Capillaries
• Bronchioles
• Alveoli

Choose the correct flow of air in the lungs:

• Nose → Trachea → Bronchi → Alveoli → Bronchioles

• Nose → Bronchi → Trachea → Bronchioles → Alveoli

• Nose → Trachea → Bronchi → Bronchioles → Alveoli

• Nose → Alveoli → Bronchi → Bronchioles → Trachea

What is the sheet of muscle that helps with inhalation and exhalation?

• bronchus

• abdominal muscles
• diaphragm
• lungs

How would our body be affected if the respiratory and circulatory systems did not work together properly?