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