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 |