click below
click below
Normal Size Small Size show me how
Human Body Chapt 1
Human Body Chapt 1 Respiration and Excretion
Question | Answer |
---|---|
What is the purpose of mucus produced in the lining of the nose? | The purpose of the thick, sticky liquid called mucus is to trap germs and dust. |
What is another name for the “windpipe?” | trachea |
Which part of the respiratory system has the job of passing oxygen to the red blood cells? | the air sacs or alveoli |
Capillaries are very, very, thin and tiny... | blood vessels |
A gas needed by the cells to do their work, and which enters your body when you breathe in, is called... | oxygen |
When red blood cells have picked up oxygen and are traveling AWAY from the heart, their color is... | bright red |
Nitrogen wastes are carried away from the body cells by the watery part of blood called... | plasma |
Most of the carbon dioxide produced in the body’s cells is carried away by the plasma, but some is carried away by the... | red blood cells |
Until they are ready to leave the body, liquid wastes are stored in the... | urinary bladder |
One job of the kidneys is to cleanse the blood of wastes produced when body cells break down a nutrient called protein. That kind of cell waste is called... | nitrogen |
The body gets rid of its excess water through.... (hint: 3) | lungs, skin, kidneys |
Breathing out is called... | exhaling |
When you sleep your body needs less energy, so less_______ is required by your cells. | oxygen |
Nutrients are carried to your body cells in the .... | plasma |
The body’s ________ system is responsible for removing protein wastes from the body | urinary (which is part of the excretory system) |
How many times a day is the blood cleaned by the kidneys in a person that is healthy? | 40 times a day |
Plain water is good for you but you can also replace water that your body loses from other liquids such as... | milk, fruit juice, and sports drinks |
Which part of the respiratory system gets the air ready for your lungs? | the nose...warms and moistens the air to improve the gas exchange |
Where does the exchange of oxygen for carbon dioxide take place in the lungs? | the air sacs or alveoli |
What is the gas that is produced by the cells as they work, and which leaves your body when you exhale, breathe out? | carbon dioxide |
What color are the red blood cells after they have given up their oxygen and are traveling back to the heart? | purplish |
Cells release ENERGY by using oxygen to break down.... | sugar |
The group of organs that gets rid of cell wastes is called the __________ system. | excretory |
The organs that contain millions of tiny tubes called nephrons which filter nitrogen wastes from the blood are called.... | kidneys |
The process of breathing IN is called... | inhaling |
What is one reason we sweat, or excrete water through the sweat glands in our skin, when we are very active and produce a lot of heat? | Excreting water, salts, and other minerals through the sweat glands in our skin helps maintain a normal body temperature. As the sweat evaporates it cools us down. |