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Unit 2 Review
Unit 2 Review
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Cells, Human Body, Nervous System
Flashcards
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Questions
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Answers
1
If a nerve cell stopped functioning, the cell would
start producing oxygen
become a different type of cell
stop sending signals to the brain
begin dividing into more cells
2
Which body system does your muscular system work with in order to provide movement?
digestive
skeletal
circulatory
nervous
3
The brain, spinal cord, and nerves are organs that perform which function?
conducting messages to coordinate body functions
transporting oxygen, waste, and nutrients throughout the body
producing hormones
supporting the body and enabling it to move
4
Which of the following are organs of the circulatory system?
All of the above
Blood Vessels
Blood
Heart
5
Which pair of diagrams would be included in a model explaining why a hand pulls back suddenly from a hot flame?
2 and 4
1 and 3
1 and 2
3 and 4
6
What is the gel-like fluid inside a cell?
Nucleus
Chloroplasts
Mitochondria
Cytoplasm
7
What type of cell is this?
Prokaryote
Bacteria
Animal
Plant
8
Throwing a football and writing a letter are activities that use ________ muscles.
involuntary
voluntary
9
Uses chemoreceptors
touch
smell
taste
vision (sight)
10
Animal cells do not have which of the following?
Chlorophyll
Cell Membrane
Cell Wall
Cytoplasm
11
Which of the following is NOT a function of the skeletal system?
makes blood cells
Pushes food along
Protects internal organs
Enables Movement
12
Which is a major organ of the nervous system?
brain
bone
lung
stomach
13
The respiratory system helps the excretory system by
removing sweat
taking in oxygen
removing carbon dioxide
exchanging gases with blood
14
What is the purpose of the digestive system?
to break down food into oxygen and make energy
Break down food and To exchange gasses in your body
to get rid of waste in the body
break down food, absorb nutrients, remove solid waste
15
Which part of the cell conducts photosynthesis (makes food for the plant)?
Chloroplast
Cytoplasm
Endoplasmic Reticulum
Mitochondria
16
What body level organization are muscles classified as?
tissue
organ system
organ
cell
17
Uses photoreceptors
touch
vision (sight)
smell
taste
18
Inhalation (when you breathe in) involves
Removing Oxygen (O2) from the blood
Adding Oxygen (O2) to the blood
Breathing out Oxygen (O2)
Breathing out Carbon Dioxide (CO2)
19
What type of cells are shown in the diagram?
skeletal cells
nerve cells
connective cells
blood cells
20
If you increase your physical activity, then your pulse will also increase because
you are breathing harder
your heart is slowing down
your cells need more oxygen sent to them
You need to digest more food to get energy
21
The nucleus of the cell controls cell activity. Which body system performs a similar function in humans?
muscular system
skeletal system
circulatory system
nervous system
22
Which organelle is responsible for releasing energy?
Mitochondria
Chloroplast
Vacuole
Nucleus
23
The outer boundary of a cell that controls what comes in and out of the cell.
Golgi Body
Cell Wall
Nucleus
Cell Membrane
24
Which system produces blood cells?
Skeletal
Circulatory
Digestive
Muscular
25
Chemoreceptors have connections to part of the brain involved w/ emotion & memories. What would stimulate emotions?
images
smell
thoughts
touch
26
Which of the following is the control center of the cell?
Nucleus
Lysosome
Mitochondria
Ribosome
27
The circulatory system works with the respiratory system by
taking oxygen throughout the body
spreading nutrients throughout the body
filtering the blood
creating blood cells
28
How would you categorize these cells?
Prokaryote (no nucleus)
None
Eukaryote (nucleus)
29
Which cell part conducts cellular respiration (makes energy for the cell)?
Cell Wall
Chloroplast
Nucleus
Mitochondria
30
The smallest structure that could be considered living is the ________.
cell
organ
organ system
tissue
31
When you are releasing carbon dioxide from the body the excretory system is working with what system?
skeletal system
circulatory system
respiratory system
digestive system
32
What is the main purpose of sensory nerves?
to inform the brain of what is going on in the outside world
to explain how the body attracts signals
to make muscles move throuout the body
to contain nerves so they do not get out of control
33
The kidneys filtering the blood shows what two systems working together?
excretory and digestive
excretory and circulatory
excretory and respiratory
excretory and skeletal
34
Which organelle is the brain of the cell and contains DNA?
Nucleus
Ribosomes
Endoplasmic Reticulum
Cytoplasm
35
"Cardio" means
strength
exercise
heart
lungs
36
Which system helps the excretory system to remove solid waste?
nervous
digestive
respiratory
skeletal
37
What label should be written in place of the question mark?
Cell membrane
Ribosome
Cell wall
Cytoplasm
38
Which of the following is not a function of the muscular system?
Send messages to the brain
moving food through digestive tract
Providing movement
keeping the heart beating
39
A signal from the brain to a muscle in the arm is transmitted by which neuron?
motor neurons
photoreceptor neurons
sensory neurons
interneurons
40
Your pulse is the number of times
You breathe in a lifetime
Your heart beats in a lifetime
Your heart beats in a minute
you breathe in a minute
41
Which is NOT part of the cell theory?
Cells are the basic unit of structure and function in living things
All living things are composed of cells
Animal cells are more complex than plant cells
All cells are produced from other cells
42
All living things are made of ___.
Organelles
Organs
Cells
Tissues
43
What waste does blood deliver to the lungs to be exhaled?
Nutrients
Carbon Dioxide
Oxygen
Nitrogen
44
Nutrients being absorbed into the bloodstream by villi in the small intestine shows which 2 systems working together?
digestive and circulatory
digestive and excretory
digestive and muscular
digestive and respiratory
45
Which part of the body receives information from the sense?
brain
lung
stomach
heart
46
Based on its shape, what is the MOST likely function of this cell?
to carry impulses throughout the body
to provide a cover over body tissues
to carry blood throughout the body
to provide structure and support
47
What is the function of the circulatory system?
to make oxygen
transport oxygen and nutrients
remove waste
make carbon dioxide
48
Rabies can lead to an infection of the brain. This can cause problems in the ________
skeletal system
nervous system
circulatory system
excretory system
49
Which of these provides extra support for plant cells?
Vacuole
Cell Membrane
Ribosomes
Cell Wall
50
Uses mechanoreceptors
taste
smell
vision (sight)
touch
51
What is the main function of the excretory system?
Controls voluntary and involuntary responses
To protect organs
To remove waste products
To move blood through the body
52
Which of these can only be found in a plant cell?
a nucleus
a mitochondrion
a vacuole
a chloroplast
53
What type of cell is this?
Plant
Bacteria
Protist
Animal
54
Which of the following does blood transport?
nutrients
oxygen
carbon dioxide
all of the above
55
What does the diagram model?
Animal and Plant cell
Plant cell
Bacteria cell
Animal Cell
56
Long dendrites of this cell enable it to send and receive messages quickly. What type of cell is this?
Muscle cell
Blood cell
Nerve cell
Heart cell
57
What type of cell is this?
Multicellular, Eukaryote (have nucleus)
Unicellular, Prokaryote (no nucleus)
Multicellular, Prokaryote (no nucleus)
Unicellular, Eukaryote (have nucleus)
58
Which is the highest level of organization shown in the diagram?
cell
tissue
organ system
organ
59
What part of the neuron is labeled B?
Axon
Cell body
Dendrites
Nucleus
60
Agnes learned that the brain, spinal cord, and nerves work together. What do they combine to form?
organ system
tissue
cell
organ
61
Allows a person to sense pain
mechanoreceptors
photoreceptors
chemoreceptors
