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