Quiz on Respiration and Blood Cells

Respiration is a process in which organisms release ______ from food.

• Carbon dioxide

• Water

• Energy

• Oxygen

The food we eat is broken down into ______ by our digestive system.

• Oxygen

• Glucose

• Carbon dioxide

• Fat

Which of the following is the correct equation for respiration?

• Oxygen + Water → CO₂ + Glucose

• Glucose + Oxygen → Water + CO₂ + Energy

• Glucose + CO₂ → Oxygen + Energy

• Water + Glucose → Energy

Respiration takes place in tiny cell structures called

• Nucleus

• Ribosomes

• Mitochondria

• Alveoli

During respiration, ______ and ______ are released.

• Glucose and Oxygen

• CO₂ and Water

• Oxygen and Heat

• Water and Glucose

Air sacs are wrapped by small.

• Nerves

• Blood vessels or capillaries

• Bronchi

• Muscles

The exchange of oxygen and carbon dioxide takes place by.

• Digestion

• Evaporation

• Diffusion

• Filtration

Air passes through the nose → ? → trachea → bronchi → bronchioles → alveoli.

• Voice box (larynx)

• Diaphragm

• Ribs

• Mouth

The diaphragm is found

• Above the lungs

• Below the lungs

• Inside the trachea

• Near the ribs

Lungs look big, soft, and ______ in colour.

• Red

• Pink

• Yellow

• White