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Human Body systems 2
Question | Answer |
---|---|
What is the most important organ in the respiratory system? | The Lungs |
How does the circulatory system help with respiration? | It carries oxygen from your lungs to the rest of your body. |
What is the larynx also known as? | The voicebox |
What is the Bronchus? | It is a tube that connects the trachea to a lung. |
What is the pharynx? | It is the passageway between the mouth and the esophagus for air and food. |
What is the function of the diaphragm? | It is a strong muscle below your lungs that help you breathe. It separates the lung cavity from the abdominal cavity. |
What is the main function of the respiratory system? | To get oxygen into the body and gets rid of carbon dioxide. |
Urinary bladder | A muscular bag that stretches as it fills up.When it is almost full you feel the need to urinate. |
Describe the path of air from the nose to the aveoli | nose/mouth to the pharynx to the larynx, to the trachea, to the bronchi, to the bronchial tubes, to the bronchioles, to the aveoli |
What is the largest organ? | The skin |
What is perspiration? | The liquid waste made of heat, water, and salt released through the skin |
What is the dermis? | The thick layer of cells below the epidermis |
What is the function of the fatty layer of skin? | It protects organs and keeps in heat. |
How many skin layers are there? | Three |
List the layers of skin in order | Epidermis, dermis, and fatty layer |
Urethra | The tube that carries urine out of the body |
Excretory system | A series of organs that get rid of cell wastes inthe form of urine |
What do the kidneys do? | They filter nitrogen wastes out of the blood and remove extra water and salt from the blood. |
What are the main organs of the excretory system? | The kidneys |
How many kidneys do most people have? | Two |