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Human Body Unit 6 Prep. Flashcards | StudBud
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Human Body Unit 6 Prep.
Human Body Unit 6 Prep.
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6th Grade Human Body Systems -
Flashcards
31 cards
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Practice quiz
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Host live
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Questions
31
Answers
1
A law states WHAT will happen in a set of circumstances
True
False
2
LAW OR THEORY? Earthquakes and volcanoes are caused by the shifting of Earth's plates and magma rising up to the surface
Law
Theory
3
A theory explains WHY something happens
False
True
4
A well-supported explanation about something is better known as a __.
scientific law
scientific theory
a hypothesis
societal law
5
The largest internal organ in the human body is...
heart
liver
stomach
brain
6
What is a benefit of making a model of a cell
Cells & organelles are microscopic so models make it big enough to see
Models are useless
Organelles are larger than cells so models are helpful to seeing the cell
Cells are so big that the model allows you to see it smaller
7
Is it possible for a scientific theory to change?
No way! Theories and laws cannot change
Of course! New information can modify the theory
8
Gases are exchanged in the lungs on the __.
alveoli
the bronchi
bronchiole tubes
larynx
9
Which of the following is the correct level of organization of the body?
tissues, cells, organs, organ systems
cells, tissues, organ, organ systems
cells, tissues, organ systems, organs
cells, organs, organ systems, tissues
10
What begins the process of breaking down food?
the esophagus
stomach and chyme
small intestine
teeth and saliva
11
It is possible to prevent a viral infection by getting a vaccination.
True
False
12
One function of the skeleton is __.
Supports the body
Makes blood cells
All of these choices are correct!
Protects the organs
13
LAW OR THEORY? When objects on Earth are dropped, they will fall at the rate of 9.8 meters (32 feet) per second/second
Law
Theory
14
You drink a HUGE glass of Incredible Hulk Kiwi Slush and later need to relieve yourself. What systems are at work here?
Integumentary and reproductive
Excretory and Nervous
Digestive and respiratory
Circulatory and digestive
15
The systems responsible for feeding the cells of your body
digestive and circulatory
skeletal and muscular
respiratory and circulatory
digestive and urinary
16
_________________ deliver oxygen to the cells of the body
white blood cells
alveoli
red blood cells
bronchi
17
A theory allows you to figure out what might happen.
True
False
18
The system that sends and receives electrical signals throughout the body is the...
integumentary system
nervous system
lymphatic system
endocrine system
19
Antibiotics can kill bacteria.
False
True
20
Viruses are alive
True
False
21
LAW OR THEORY? An object at rest will stay at rest unless acted on by an unbalanced force.
Law
Theory
22
The systems responsible for removing waste.
digestive and circulatory
circulatory and endocrine
respiratory and excretory
digestive and urinary
23
How many bones are in the human body?
Over 300
5000
125
206
24
The system responsible for exchanging carbon dioxide and oxygen.
digestive system
integumentary system
skeletal system
respiratory system
25
How does oxygen move around your body?
The nervous system signals nerves to bond to oxygen in the lungs
Oxygen is carried by white blood cells from the lungs in hematic fluid
Oxygen enters the lungs and is carried to cells by blood
Oxygen is exchanged on cilia in the trachea and then taken to the blood
26
The is the main function of the muscular system?
To be able to flex
To allow for important movement
To circulate blood throughout our bodies
To allow oxygen to enter our bodies
27
LAW OR THEORY? For every action there is an equal and opposite reaction.
Theory
Law
28
A system that breaks down the foods you eat.
respiratory
digestive
circulatory
muscular
29
How has technology improved scientific knowledge?
Satellites are being used to map the sea floor
X-rays allow us to see inside the body
Radio & space telescopes have allowed us to see deeper into space
Every answer is correct :-)
30
LAW OR THEORY? When objects are dropped on Earth, they will fall because of the pull of gravity.
Theory
Law
31
Bacteria, all eukaryotes, and viruses have one thing in common.
They're all made of tissues
They all need a host to reproduce
They all have either DNA or RNA
They're all made of cells
