respiratory and circulatory systems and movement

What is the primary function of the respiratory system?

• To digest food and absorb nutrients

• To pump blood throughout the body

• To allow gas exchange between the lungs and the circulatory system

• To regulate body temperature

Which organ is known as the voice box?

• Bronchi

• Pharynx

• Larynx

• Trachea

What is the role of erythrocytes in the blood?

• To carry nutrients

• To clot blood

• To transport oxygen

• To fight infections

What is the main function of the heart?

• To filter blood

• To pump blood around the body

• To store oxygen

• To produce hormones

Which blood vessels carry blood away from the heart?

• Lymph vessels

• Arteries

• Capillaries

• Veins

What is the primary function of plasma in the blood?

• To clot blood

• To carry oxygen

• To fight infections

• To transport and deliver nutrients

What is the purpose of the alveoli in the lungs?

• To produce sound

• To filter air

• To facilitate gas exchange

• To store carbon dioxide

What is the effect of regular exercise on the cardiovascular system?

• Strengthens the heart muscle

• Increases blood pressure

• Decreases heart health

• Reduces blood vessel efficiency

What is the role of the lymphatic system?

• To regulate body temperature

• To produce red blood cells

• To move lymph back to the cardiovascular system

• To transport oxygen

What happens to blood pressure during exercise?

• Systolic pressure increases

• Diastolic pressure increases

• Systolic pressure decreases

• Blood pressure remains constant