Quiz Bee 1.1 Science 9

What is the primary function of the respiratory system?

• To transport nutrients to cells

• To exchange oxygen and carbon dioxide

• To produce hormones

• To regulate body temperature

What structure in the respiratory system is responsible for gas exchange?

• Trachea

• Bronchi

• Alveoli

• Diaphragm

What muscle plays a key role in the process of breathing y contracting and relaxing?

• Diaphragm

• HEart

• Liver

• Esophagus

What is the name of the tube that connects the throat to the lungs?

• Esophagus

• Trachea

• Bronchi

• Pharynx

Which type of blood vessel carries blood away from the heart?

• Arteries

• Veins

• Capillaries

• Lymphatic Vessels

What is the primary function of capillaries?

• To transport blood to the lungs

• To exchange nutrients, gases, and waste products between blood and tissues and cells

• To pump blood throughout the body

• To store oxygen for later use

Which blood vessels contain valves to prevent the backflow of blood?

• Arteries

• Veins

• Capillaries

• Arterioles

What is the primary function of the circulatory system?

• To produce energy for the body

• To transport oxygen, nutrients and waste products

• To regulate body temperature

• To control muscle movements

Which organ is the central pump of the circulatory system?

• Lungs

• Brain

• Heart

• Liver

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

• Veins

• Capillaries

• Arteries

• Lymphatic vessels