My Amazing Body Series WS 01

What is the most basic structural and functional unit of life?

• a) Tissue
• b) Cell
• c) Organ
• d) System

What is a group of similar cells working together called?

• a) Tissue
• b) Organ
• c) System
• d) Cell

Organs are made up of?

• a) Cells
• b) Tissues
• c) Organ systems
• d) Organisms

What do organs form when they work together?

• a) Cells
• b) Tissues
• c) Organ systems
• d) Organisms

What is the process of breathing in oxygen and breathing out carbon dioxide called?

• a) Excretion
• b) Respiration
• c) Nutrition
• d) Sensitivity

Which of these is a part of your respiratory system?

• a) Kidney
• b) Heart
• c) Lungs
• d) Brain

What do you breathe in from the air?

• a) Carbon dioxide
• b) Oxygen
• c) Nitrogen
• d) Hydrogen

Through which of these do you breathe in air?

• a) Mouth
• b) Nose
• c) Both nose and mouth
• d) Ears

What is the windpipe also called?

• a) Bronchi
• b) Alveoli
• c) Trachea
• d) Diaphragm

What protects the lungs?

• a) Muscles
• b) Ribs
• c) Skin
• d) Cartilage