Show:
Questions
Responses
Print
Vocabulary
Detail
Challenge Questions
Respiratory
Excretory
100
What is the major organ of the excretory system?
Kidneys
100
Kidneys contain about how many nephrons?
1 million
100
Name the 3 main parts of a nephron.
Capillary cluster, capsule, and the large tube.
100
What comes next after the nose: Pharynx, epiglottis, larynx, or trachea?
Pharynx
100
What organs produce urine?
Kidneys
200
Where is urine stored?
Urinary Bladder
200
About how many times is a drop of blood filtered in the kidneys in one day?
300 times
200
Wastes are created when cells use nutrients in a certain process. What is this process called, and what system provides the nutrients?
Respiration, and the digestive system.
200
What must your cells have to release energy?
Oxygen
300
What are a tiny million filtering factories called?
Nephrons
300
What flows out of the body through a small tube called the urethra?
Urine
300
What percent of the air is only oxygen?
21%
300
What are the main organs of the respiratory system?
The lungs
400
What is another waste product called?
Urea
400
The ureters carries what to the urinary bladder?
urine
400
What element makes up 78% of the atmosphere?
Nitrogen
400
What does the diaphragm do?
The diaphragm contracts an expands to let air move in or out of the lungs.
500
What are the small, grape-like structures where oxygen and carbon dioxide exchange?
Alveoli
500
What does tar do to your body?
It makes cilia clump together, so they can't stop harmful materials from entering the body.
500
According to our science book, "The trachea feels like a tube with series of ridges." What are the ridges, and what are two things they do?
The ridges are rings of cartilage, and they strengthen the trachea and keep it open.
500
Put these in order: Lungs, trachea, epiglottis, larynx, nose, pharynx, bronchioles, alveoli, bronchi.
Nose, pharynx, epiglottis, larynx, trachea, bronchi, lungs, bronchioles, alveoli.