Test your understanding of Levels of Organisation, Cells and Tissues, the Respiratory System, Digestive System, and Circulatory System.
Multiple Choice Questions
Which of the following is the correct order of biological organisation from smallest to largest?
A group of similar cells working together to perform a specific function is called:
Epithelial tissue is primarily responsible for:
Which tissue type connects, supports, and protects other tissues and organs?
The primary role of the respiratory system is to:
Gas exchange occurs in the:
Which structure prevents food from entering the airway during swallowing?
Type I pneumocytes are specialised for gas exchange because they are:
The function of cilia in the respiratory tract is to:
During inhalation, the diaphragm:
Mechanical digestion begins in the:
Most chemical digestion and nutrient absorption occurs in the:
Villi in the small intestine increase surface area for:
The main function of the large intestine is to:
The heart is best described as:
Arteries carry blood:
Capillaries are structurally adapted for exchange because they have:
Red blood cells contain haemoglobin, which:
The double circulatory system means:
Which organ system works most closely with the respiratory system to deliver oxygen to body cells?
Short Answer Questions
Explain how the structure of alveoli is adapted for efficient gas exchange. Include at least two structural adaptations in your answer.
Compare the structure and function of arteries and veins. Include at least two differences in your answer.
Describe the pathway of food through the digestive system, naming the organs in order and stating one function of each.