Choose the one most appropriate answer for each.
A. Trachea
B. Chemoreceptors
C. Oxyhemoglobin
D. Larynx
E. Sympathetic nerves
F. Medulla oblongata
G. Pharynx
H. Respiratory cycle
I. Bronchi
J. Epiglottis
K. Intercostal muscles
L. Alveoli
A. Flexible windpipe reinforced with cartilage
B. Detect carbonic acid in artery walls and signal the brain to stimulate faster and deeper breathing
C. Oxygen-rich form of a respiratory protein
D. Contains a pair of vocal cords
E. Stimulate faster breathing in dangerous situations
F. Part of the brainstem; controls breathing
G. Throat passage behind the mouth
H. One inhalation and one exhalation
I. Connect trachea to lungs
J. Flaplike structure that points upward allowing air to enter trachea, but blocks the larynx during swallowing
K. Raise and lower the ribcage
L. Microscopically small pockets lined with moist epithelium that function in gas exchange
You might also like to view...
Drugs used to treat AIDS and herpes virus infections are synthetic versions of compounds found in ____
a. sea anemones b. sponges c. roundworms d. cnidarians e. planaria
Of the four kingdoms in the domain Eukarya, which one is most likely to be split into two or more new kingdoms as scientists perform more genetic analyses on evolutionary relationships?
A) kingdom Plantae B) kingdom Protista C) kingdom Animalia D) kingdom Fungi
Viruses that infect and lyse cancer cells are called
a) oncogenic viruses. b) latent viruses. c) oncolytic viruses. d) lysogenic viruses.
Robert Koch was involved in research on all of the following topics EXCEPT
A) the cause of anthrax. B) the cause of fermentation. C) development of a method to determine the cause of an infectious disease. D) the cause of tuberculosis. E) techniques for isolating microbes in the laboratory.