Term
organs that filter the blood to produce
urine |
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Definition
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Term
| a muscle that helps with breathing |
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Definition
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Term
a muscular tube between the mouth
and stomach |
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Definition
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Term
tubes that take urine from the
kidneys to the bladder |
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Definition
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Term
| hollow organ that stores urine |
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Definition
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Term
a protein made by the body cells that
helps to speed up chemical reactions,
such as digestion |
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Definition
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Term
process of breaking some nutrients
into smaller substances |
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Definition
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Term
to take some substances out, but
leave others in |
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Definition
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Term
the main tube of the respiratory
system that delivers air to the lungs |
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Definition
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Term
liquid waste that contains water,
salts, and waste products |
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Definition
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Term
| How does the digestive system help body cells get nutrients? |
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Definition
Food is ingested through the mouth where saliva begins to break down the food into smaller particles. The nutrients
from food continue to be digested into smaller molecules as they travel |
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Term
| How does the respiratory system help body cells get oxygen? |
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Definition
Air enters the body through the mouth or nose, beginning its journey to the lungs. Harmful substances from the
air do not usually reach the lungs because as the air travels through the larynx and trachea, it is cleaned. |
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Term
| How does the respiratory system help eliminate waste products? |
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Definition
Carbon dioxide is carried from the blood to the small sacs in the lungs. Then it travels back through
the branch-like tubes in the lungs, the trachea, the larynx area, and is exhaled through the mouth or nose. |
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Term
How does the urinary system help eliminate waste products in the
blood? |
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Definition
Harmful substances and excess water and salt are carried in the blood to the kidneys. The kidneys act as filters,
producing urine from the waste products and leaving the necessary things (such as nutrients) in the blood.
Urine travels from the kidneys through the ureters to the bladder, where it is stored until it is eliminated from
the body. |
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Term
| Give one example of how body systems adjust to changing conditions. |
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Definition
The cardiovascular and respiratory systems change when we travel to higher elevations. The heart pumps faster and our breathing rate increases to bring more
oxygen into the body. The urinary system balances the amount of water in our bodies in relation to type of weather, the amount of water we drink, or the amount of exercise we perform. |
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Term
| Waste products are _______ in the urine. |
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Definition
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Term
Oxygen is in short supply at a high
, ________ like the top of Mt. Everest. |
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Definition
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Term
| The digestive system digests _____ into sugars. |
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Definition
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Term
The vocal folds that help to make sounds are located in the ______
. |
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Definition
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Term
_______ are substances that come from the soil and that
become an essential part of food. |
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Definition
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Term
_________ is the most important nutrient that helps all the
body systems. |
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Definition
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