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heart,lungs,&systems
respiratory and circulatory system
| Question | Answer |
|---|---|
| what is the definition of vein: | blood vessels that carry blood to the heart |
| what is the definition of capillaries: | tiny, thin-walled blood vessels that allow the exchange of gases and nutrients, between the blood and cells and located between arteries and veins |
| what is the definition of arteries: | blood vessels that carry blood away from the heart |
| what blood cells contain hemoglobin? | red blood cells |
| when you exhale air, does the air pass through the trachea or the pharynx first? | trachea |
| when you inhale air, does the air pass through the trachea or the pharynx first? | pharynx |
| you are given a sample from a person's lungs. looking at it under a microscope, you see many little round sacks that are covered with capillaries. what structures are you looking at? | alveoli |
| where are blood cells produced? | marrow |
| what are xylem and what do they do? | xylem are tubes that transport water up from the roots to the rest of the parts of the plant. |
| how many chambers are in the heart? | 4 |
| name the parts of the human respiratory system, in order. | nasal and oral cavity, pharynx, larynx, trachea, right and left bronchi, and the right and left lung. |
| what is the respiratory system? | the system that controls the way we breathe, and contains the lungs, trachea, pharynx, larynx, oral and nasal cavity, and the bronchi |
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