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BJU Life Science Ch 15 And 16 Transport And Control
Test Description: Review of the human body's transport and control systems.
Instructions: Answer all questions to get your test result.
1) The vocal cords are located inside ....?
A
pharynx
B
trachea
C
larynx
D
esophagus
2) Which structure, also known as the windpipe, is the main passageway to your lungs?
A
larynx
B
esophagus
C
pharynx
D
trachea
3) The two air passages that lead to each lung are called
A
alveoli
B
bronchi
C
windpipes
D
trachea
4) The microscopic structures in the lungs where gases are exchanged with blood vessels are called
A
alveoli
B
windpipes
C
bronchi
D
tracheae
5) When your diaphragm contracts,
A
you inhale and your chest cavity enlarges
B
you inhale
C
you exhale
D
you exhale and your chest cavity enlarges.
6) What is the average number of heartbeats per minute for a normal person?
A
700
B
70
C
7000
D
17
7) The muscular chambers that pump blood to the lungs or body are the
A
valves
B
aortas
C
ventricles
D
atria
8) The smallest blood vessels in your body are the
A
arteries
B
capillaries
C
aorta
D
veins
9) The blood vessels that return blood to the heart are called
A
aortas
B
veins
C
capillaries
D
arteries
10) What is the purpose of valves?
A
to pump blood in the right direction.
B
to allow blood to flow away from the heart.
C
to allow blood to travel to and from the lungs.
D
to prevent blood from flowing in the wrong direction.
11) Most blood cells are formed in the
A
bone marrow
B
heart
C
pancreas
D
plasma
12) What is the job of platelets?
A
to form blood clots
B
to carry blood cells as the blood flows through the blood vessels
C
to defend against bacteria and viruses
D
to carry oxygen
13) How long does it take for your plasma to make one complete trip through your circulatory system?
A
one minute
B
thirty minutes
C
seventy times per minute
D
three to four months
14) Which of the following are transported in blood plasma?
A
oxygen and carbon dioxide
B
lymph nodes
C
food, minerals, and hormones
D
sweat and urine
15) Which of the following is part of the body's nonspecific defense?
A
a B cell
B
a lymphocyte
C
an antibody
D
fever
16) A vaccine produces _______________ immunity.
A
Active
B
memory
C
resistance
D
passive
17) Signals from your brain or spinal cord to muscles and other parts of your body are carried by
A
cerebral neurons
B
motor neurons
C
interneurons
D
sensory neurons
18) Which part of the brain is the largest?
A
cerebrum
B
cerebellum
C
spinal cord
D
brain stem
19) Which structure of the eye bends light and focuses an upside-down image?
A
lens
B
iris
C
retina
D
cornea
20) An infection in your semicircular canals would most likely affect your
A
taste
B
sight
C
hearing
D
balance
*select an answer for all questions
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