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