N5 - 2.6 Animal Transport

Which of the following are components of blood?

• Plasma

• Red blood cells

• Ribosomes

• White blood cells

White blood cells

• Make proteins

• Are the site of aerobic respiration

• Destroy pathogens

• Carry oxygen around the body

Which of the following are pathogens?

• Bacteria

• Fungi

• Viruses

• Parasites

How do phagocytes work?

• They release harmful chemicals

• They engulf and digest pathogens

• They produce antibodies

• They inject a chemical directly into the pathogen

Which of the following is a waste product that must be removed from cells?

• Oxygen

• Nutrients

• Protein

• Carbon dioxide

How are red blood cells specialised for carrying oxygen?

• They are biconcave

• They have a large surface area

• They are red

• They have no nucleus

Which structure carries deoxygenated blood to the lungs?

• Pulmonary artery

• Pulmonary vein

• Right atrium

• Right ventricle

Which structure prevents the back flow of blood?

• Veins

• Valves

• Gates

• Guard cells

Through which chamber does oxygenated blood enter after leaving the lungs?

• Right atrium

• Left atrium

• Right ventricle

• Left ventricle

Which side of the heart has thicker muscle?

• Right

• Left