Circulatory, Digestive & Respiratory Systems Test

Which structure, shown in the image, separates the abdominal and thoracic cavities and is involved in breathing?

• lungs
• mediastinum
• diaphragm
• spleen

Identify this pig structure?     

• thymus gland
• liver
• lung
• diaphragm

1 is pointing to

• left atrium
• right atrium
• left ventricle
• right ventricle

Which chambers receive the blood as it comes back to the heart?

• ventricles

• atria

• aorta

• vena cava

Blood from the RIGHT ventricle flows to the ...

• pulmonary artery and then to the lungs

• to the aorta and out to the body

• to the RIGHT atrium

What is the purpose of the epiglottis?

• to transport nutrients

• to keep food from entering your trachea

• to make new red blood cells

• to protect your body from infection

The lower respiratory tract includes

• Trachea, Bronchus, Bronchioles, Alveolus

• Larynx, Trachea, Bronchus, Bronchioles

• Bronchus, Bronchioles and Alveolus

• Bronchioles and Alveolus

Main site of gas exchange in the lungs

• alveoli

• bronchii

• bronchioles

• alveolar ducts

Which chamber is the strongest and pumps highly oxygenated blood to the body?

• Right atrium
• Right ventricle
• Left atrium
• Left ventricle

Which organ releases digestive enzymes into the small intestine?

• pancreas

• small intestine

• esophagus

• salivary glands