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Which organ in the excretory system filters blood?(1 point)
Responses
kidney
kidney
ureter
ureter
bladder
bladder
urethra
Responses
kidney
kidney
ureter
ureter
bladder
bladder
urethra
The correct answer is the kidney. The kidney is the organ in the excretory system that filters blood and removes waste products, excess water, and toxins from the body.
Question
What is amylase?(1 point)
Responses
a nutrient absorbed in the small intestine
a nutrient absorbed in the small intestine
another name for the large intestine
another name for the large intestine
an enzyme that breaks down food
an enzyme that breaks down food
acid in the stomach
What is amylase?(1 point)
Responses
a nutrient absorbed in the small intestine
a nutrient absorbed in the small intestine
another name for the large intestine
another name for the large intestine
an enzyme that breaks down food
an enzyme that breaks down food
acid in the stomach
The correct answer is: an enzyme that breaks down food. Amylase is an enzyme that helps break down complex carbohydrates into simpler sugars during digestion. It is produced in the salivary glands and pancreas.
What is urea?(1 point)
Responses
a structure in the kidney
a structure in the kidney
the waste removed by the kidney
the waste removed by the kidney
the tube through which waste leaves the body
the tube through which waste leaves the body
the tube that connects the kidney to the bladder
the tube that connects the kidney to the bladder
Responses
a structure in the kidney
a structure in the kidney
the waste removed by the kidney
the waste removed by the kidney
the tube through which waste leaves the body
the tube through which waste leaves the body
the tube that connects the kidney to the bladder
the tube that connects the kidney to the bladder
The correct answer is: the waste removed by the kidney. Urea is a waste product that is produced in the liver as a result of protein metabolism. It is filtered out of the blood by the kidneys and excreted in urine as a way for the body to remove nitrogenous waste.
Which organ in the digestive system has a function that is most similar the function of the bladder in the excretory system?(1 point)
Responses
esophagus
esophagus
stomach
stomach
small intestine
small intestine
large intestine
Responses
esophagus
esophagus
stomach
stomach
small intestine
small intestine
large intestine
The correct answer is the large intestine. Just as the bladder in the excretory system stores and eliminates urine, the large intestine in the digestive system stores and eliminates feces. Both organs have a similar function of storing waste materials and facilitating their elimination from the body.
Which is an example of how the physical environment helped the Aztecs establish an empire?
(1 point)
Responses
The capital city of Tenochtitlan could be easily defended from attack.
The capital city of Tenochtitlan could be easily defended from attack.
The active volcanoes kept neighboring peoples from attacking the Aztecs.
The active volcanoes kept neighboring peoples from attacking the Aztecs.
The capital city of Tenochtitlan was located in the dense rain forest.
The capital city of Tenochtitlan was located in the dense rain forest.
The Aztecs lived on a flat plain that was perfect for warfare.
(1 point)
Responses
The capital city of Tenochtitlan could be easily defended from attack.
The capital city of Tenochtitlan could be easily defended from attack.
The active volcanoes kept neighboring peoples from attacking the Aztecs.
The active volcanoes kept neighboring peoples from attacking the Aztecs.
The capital city of Tenochtitlan was located in the dense rain forest.
The capital city of Tenochtitlan was located in the dense rain forest.
The Aztecs lived on a flat plain that was perfect for warfare.
The correct answer is: The capital city of Tenochtitlan could be easily defended from attack. The physical environment played a role in helping the Aztecs establish an empire because Tenochtitlan, their capital city, was built on an island in Lake Texcoco. This natural barrier made it difficult for enemies to attack and contributed to its defensibility.
Which of these were among the lowest class in Aztec society?
(1 point)
Responses
military leaders
military leaders
traders and farmers
traders and farmers
prisoners of war
prisoners of war
nobles and priests
nobles and priests
(1 point)
Responses
military leaders
military leaders
traders and farmers
traders and farmers
prisoners of war
prisoners of war
nobles and priests
nobles and priests
The correct answer is: prisoners of war. Among these options, prisoners of war were considered to be among the lowest class in Aztec society. They were often enslaved or used for hard labor. Military leaders, traders and farmers, and nobles and priests held higher positions in Aztec society.
Why did the Aztecs sacrifice prisoners of war to the god Huitzilopochtli?
(1 point)
Responses
to keep volcanoes from erupting
to keep volcanoes from erupting
to keep neighboring people from invading
to keep neighboring people from invading
to keep slaves from revolting
to keep slaves from revolting
to keep the god from growing weak
(1 point)
Responses
to keep volcanoes from erupting
to keep volcanoes from erupting
to keep neighboring people from invading
to keep neighboring people from invading
to keep slaves from revolting
to keep slaves from revolting
to keep the god from growing weak
The correct answer is: to keep the god from growing weak. The Aztecs believed that sacrificing prisoners of war to the god Huitzilopochtli was necessary to nourish and please the god. They believed that Huitzilopochtli required human blood and hearts to sustain his strength and prevent his growing weak. Sacrifices were seen as essential to maintain the cosmic balance and ensure the well-being and survival of their civilization.
How did the Aztecs share their history from generation to generation?
(1 point)
Responses
They used hieroglyphs to write history.
They used hieroglyphs to write history.
They told stories of the past.
They told stories of the past.
They used quipu to record information.
They used quipu to record information.
They carved images in stone.
(1 point)
Responses
They used hieroglyphs to write history.
They used hieroglyphs to write history.
They told stories of the past.
They told stories of the past.
They used quipu to record information.
They used quipu to record information.
They carved images in stone.
The correct answer is: They told stories of the past. The Aztecs primarily relied on oral tradition to share their history from generation to generation. They passed down stories, myths, and legends through spoken word. These stories were often recited by trained individuals known as "tlahtohqueh," who were responsible for preserving and transmitting the collective knowledge and history of the Aztec civilization. While they did use hieroglyphs and carved images in stone, these were primarily for religious and ceremonial purposes rather than recording historical events. The use of quipu, a method of record-keeping through knotted strings, was primarily associated with the Inca civilization, not the Aztecs.
What was an achievement of the Aztecs?
(1 point)
Responses
utilizing a well-developed writing system
utilizing a well-developed writing system
developing the numeral zero
developing the numeral zero
the use of an aqueduct
the use of an aqueduct
developing the first calendar
(1 point)
Responses
utilizing a well-developed writing system
utilizing a well-developed writing system
developing the numeral zero
developing the numeral zero
the use of an aqueduct
the use of an aqueduct
developing the first calendar
The correct answer is: developing the numeral zero. One of the significant achievements of the Aztecs was their development and utilization of the numeral zero in their mathematical system. The Aztecs, along with other Mesoamerican civilizations, were among the first to recognize and incorporate the concept of zero into their numerical calculations. This was a notable contribution to mathematics and helped advance their understanding of numbers and mathematical operations. While they also had a well-developed writing system and calendar, the development of the numeral zero was a distinct accomplishment.