What is the main purpose of aerobic respiration in cells?

• To produce oxygen

• To produce energy

• To produce carbon dioxide

• To produce water

Which of the following is a product of aerobic respiration?

• Lactic acid

• Ethanol

• Carbon dioxide

• Glucose

Where in the cell does aerobic respiration primarily take place?

• Nucleus

• Cytoplasm

• Mitochondria

• Ribosomes

What is the main difference between aerobic and anaerobic respiration?

• Aerobic respiration requires oxygen, anaerobic does not

• Anaerobic respiration produces more energy than aerobic

• Aerobic respiration occurs in the cytoplasm, anaerobic in the mitochondria

• Anaerobic respiration produces carbon dioxide, aerobic does not

Which of the following is a product of anaerobic respiration in muscles?

• Carbon dioxide

• Lactic acid

• Water

• Oxygen

Which of the following is NOT a characteristic of anaerobic respiration?

• Occurs without oxygen

• Produces lactic acid in muscles

• Produces more energy than aerobic respiration

• Occurs in the cytoplasm

What is the main function of the circulatory system?

• To digest food

• To transport nutrients and oxygen to cells

• To produce hormones

• To control body temperature

Which component of blood is primarily responsible for transporting oxygen?

• White blood cells

• Platelets

• Plasma

• Red blood cells

What is the name of the protein in red blood cells that binds to oxygen?

• Haemoglobin

• Myoglobin

• Fibrinogen

• Albumin

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

• Veins

• Arteries

• Capillaries

• Venules