breathing mechanism
What’s the name of muscle that assist with breathing?
Diaphragm
Which organ is responsible for gas exchange?
Lungs
Which gas do you inhale during breathing?
Oxygen
What’s the main purpose of respiration?
To produce energy
How many lungs does the human have?
Two
Contract
What’s the tube that connects the nose and mouth to the lungs?
Trachea
Which gas is exhaled from the body?
Carbon dioxide
Which organelle does aerobic respiration take place?
Mitochondria
What percentage of oxygen in the air we breathe in?
21%
What happens to the chest cavity size when you exhale?
It decreases
What’s the name of the small air sacs responsible for gas exchange in the lungs?
Alveoli
What blood vessels surround the alveoli?
Capillaries
What are the waste products produced during aerobic respiration?
Water and carbon dioxide
How does a seal stay under water longer than a human?
Seals can store extra oxygen in their blood
The process of air moving in and out of lungs are called….
Ventilation
What’s the name of two branches that lead from trachea you the lungs?
Bronchi
How does the oxygen move from alveoli into the blood stream?
Diffusion
Which molecule is broken down during respiration?
Glucose
Which process does the plant use to produce oxygen that we need?
Photosynthesis
What’s the purpose of intercostal muscle during breathing?
They contract to expand the ribcage
What structure prevents food from entering the windpipe during swallowing?
Epiglottis
What is the name of the molecule that binds to oxygen molecule?
Hemoglobin
What’s the name of the high energy molecule produced during respiration?
ATP
What condition causes narrowing airway and difficulty in breathing?
Asthma