BJU Life Science Ch 15 And 16 Transport And Control Question Preview (ID: 56045)
Review Of The Human Body's Transport And Control Systems.
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The vocal cords are located inside ....?
a) esophagus
b) larynx
c) pharynx
d) trachea
Which structure, also known as the windpipe, is the main passageway to your lungs?
a) esophagus
b) larynx
c) pharynx
d) trachea
The two air passages that lead to each lung are called
a) alveoli
b) bronchi
c) trachea
d) windpipes
The microscopic structures in the lungs where gases are exchanged with blood vessels are called
a) alveoli
b) bronchi
c) tracheae
d) windpipes
When your diaphragm contracts,
a) you inhale
b) you exhale
c) you inhale and your chest cavity enlarges
d) you exhale and your chest cavity enlarges.
What is the average number of heartbeats per minute for a normal person?
a) 17
b) 70
c) 700
d) 7000
The muscular chambers that pump blood to the lungs or body are the
a) atria
b) aortas
c) valves
d) ventricles
The smallest blood vessels in your body are the
a) arteries
b) aorta
c) capillaries
d) veins
The blood vessels that return blood to the heart are called
a) arteries
b) aortas
c) capillaries
d) veins
What is the purpose of valves?
a) to allow blood to flow away from the heart.
b) to allow blood to travel to and from the lungs.
c) to prevent blood from flowing in the wrong direction.
d) to pump blood in the right direction.
Most blood cells are formed in the
a) bone marrow
b) heart
c) pancreas
d) plasma
What is the job of platelets?
a) to defend against bacteria and viruses
b) to form blood clots
c) to carry blood cells as the blood flows through the blood vessels
d) to carry oxygen
How long does it take for your plasma to make one complete trip through your circulatory system?
a) seventy times per minute
b) one minute
c) thirty minutes
d) three to four months
Which of the following are transported in blood plasma?
a) food, minerals, and hormones
b) lymph nodes
c) oxygen and carbon dioxide
d) sweat and urine
Which of the following is part of the body's nonspecific defense?
a) an antibody
b) a B cell
c) fever
d) a lymphocyte
A vaccine produces _______________ immunity.
a) Active
b) memory
c) passive
d) resistance
Signals from your brain or spinal cord to muscles and other parts of your body are carried by
a) cerebral neurons
b) interneurons
c) motor neurons
d) sensory neurons
Which part of the brain is the largest?
a) cerebellum
b) brain stem
c) cerebrum
d) spinal cord
Which structure of the eye bends light and focuses an upside-down image?
a) cornea
b) lens
c) iris
d) retina
An infection in your semicircular canals would most likely affect your
a) hearing
b) sight
c) balance
d) taste
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