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Respiratory system
Question | Answer |
---|---|
Why do we exhale? | To get rid of Carbon dioxide. |
What is the Trachea? | A tube filled with mucus and Cilia that directs air to the Bronchi. |
What are the Bronchi and Bronchioles? | Tubes that together look like a tree. They direct air to the Alveoli. |
How does the diaphragm help you breathe? | When it contracts, it sucks in air to the lungs. When it relaxes, it pushes air out |
What are four smoking related diseases? | Lung Cancer- Creates tumors in lung that clog space Emphysema- Irritates lung and destroys alveoli Bronchitis- Swells up space in Bronchi and makes it hard to breathe |
What is the Larynx? | It lets you talk and brings air to the Trachea. |
What is the pharynx? | It directs food to the stomach and air for the trachea. |
What are the nasal and oral cavity. | Brings air through the nose and mouth Into the body |
What do mucous and cilia do? | Mucus moisturizes, warms and cleans air Cilia filters thing through the mucus |
What are some chemicals in cigarettes? | Tar Carbon Monoxide Nicotine Ethanol |
What is the chemical equation for respiration? | Oxygen+Sugar=Energy+Carbon dioxide+Water |
Why do we need to have oxygen? | Because the mitochondria need them to create energy |
What percent of the air that we inhale and exhale are oxygen? | Inhale-21% Exhale-16% |
What is diffusion | When gases go from places of high to low concentration |
What are some symptoms of withdrawal? | Nervousness Trouble concentrating Nicotine craving Drowsiness |
How does oxygen get inti the bloodstream and carbon dioxide get out of it? | Oxygen diffuses out out the alveoli and carbon dioxide diffuses into it |