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Unit 2 - Science Review
Test Description: Human body
Instructions: Answer all questions to get your test result.
1) This is the control center of the cell
A
Organ
B
Nucleus
C
Cytoplasm
D
Cell wall
2) Groups of bone cells in your body make up bone
A
Cells
B
Tissue
C
Organs
D
Muscles
3) What makes up muscle tissue?
A
A group of muscle organs
B
A single muscle cell
C
Groups of muscle organs and nerve cells
D
A group of muscle cells
4) Which part of a cell contains chromosomes made of DNA?
A
Nucleus
B
Vacuole
C
Cell wall
D
Cytoplasm
5) Which type of blood vessel takes blood from cells back to the heart?
A
Capillaries
B
Heart
C
Arteries
D
Veins
6) Which of the following will the body make in greater numbers when you have an infection?
A
Red blood cells
B
Platelets
C
Medicines
D
White blood cells
7) Which body system is the transportation system for the body?
A
Digestive system
B
Respiratory system
C
Urinary system
D
Circulatory system
8) Where would you find your epiglottis?
A
At the top of your trachea
B
At the end of your large intestine
C
At the top of your esophagus
D
In your stomach
9) What is a kidney?
A
An organ that keeps blood flowing
B
An organ where food is stored
C
An organ that cleans liquid waste from the blood
D
Where carbon dioxide leaves the blood stream
10) What structure connects the smallest arteries to the smallest veins?
A
Valves
B
Air sacs
C
Capillaries
D
Bronchial tubes
11) Which of these systems does NOT remove a waste product from the body?
A
respiratory
B
circulatory
C
digestive
D
urinary (kidneys)
12) Which shows the proper sequence through which inhaled air passes?
A
nose - esophagus - bronchiole - air sac
B
nose - air sac - trachea - bronchiole
C
nose - trachea - bronchiole - air sac
D
air sac - bronchiole - trachea - nose
13) Ringed mucscle that pushes food to the stomach.
A
large intestine
B
trachea
C
esophagus
D
small intestine
14) A(n) _____ keeps blood from flowing backward and makes the beating sound heard from your heart.
A
capillary
B
artery
C
vein
D
valve
15) Which body system is covered with a sticky fluid called mucus?
A
respiratory
B
muscular
C
digestive
D
circulatory
16) Red blood cells look like small, smooth, flexible saucers. How does their shape help them perform their function?
A
Their shape helps them cover a surface to keep out germs.
B
The shape gives them strength to pull.
C
The shape allows them to quickly send messages to the brain.
D
The shape helps the cells move through blood vessels.
17) Which shows the order of organization in an animal from simplest to most complex?
A
cell, tissue, organ, organ system
B
tissue, cell, organ system, organ
C
organ system, organ, tissue, cell
D
cell, organ, tissue, organ system
18) Which type of cells make up your skin?
A
branching cells
B
round cells
C
rough cells
D
flat cells
19) Which is the name of a group of similar cells working together to perform the same job?
A
system
B
bundle
C
tissue
D
organ
20) Which two organ systems work together to move the body?
A
respiratory system and nervous system
B
nervous system and digestive system
C
muscle system and digestive system
D
muscle system and skeletal system
*select an answer for all questions
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