Q4 QUIZ 3 SLM 2

What is the primary organ responsible for gas exchange in plants?

• Roots

• Stems

• Leaves

• Flowers

In which part of the respiratory system do oxygen and carbon dioxide exchange occur in humans?

• Trachea

• Alveoli

• Bronchi

• Larynx

What is the role of stomata in plant leaves?

• Water Storage

• Gas exchange

• Photosynthesis

• Nutrient absorption

Which of the following is not a component of the human circulatory system?

• Heart

• Lungs

• Blood vessels

• Kidneys

What is the function of red blood cells in the human body?

• Carry oxygen to tissues

• Fight infections

• Transport nutrients

• Aid in blood clotting

Which blood vessel carries oxygenated blood away from the heart to the rest of the body?

• Vein

• Artery

• Capillary

• Aorta

How does oxygen travel from the lungs to the body's cells?

• Through diffusion in alveoli

• Through the bloodstream

• Through the lymphatic system

• Through the nervous system

Which of the following is a waste product released during respiration in animals?

• Oxygen

• Carbon dioxide

• Nitrogen

• Water

What is the function of hemoglobin in blood?

• Transport oxygen

• Fight infections

• Regulate body temperature

• Aid in digestion

What organ pumps blood throughout the circulatory system in humans?

• Lungs

• Liver

• Heart

• Brain