When you are breathing normally, exhalation results mainly from
A) the contraction of muscles in the chest.
B) the contraction of the diaphragm.
C) the relaxation of the diaphragm and muscles between the ribs.
D) low pressure in the lungs.
Answer: C
You might also like to view...
Which one of the following is true of the sporophyte stage of a flowering plant?
A. It is haploid. B. It is 1N. C. It is a nonphotosynthetic stage. D. It is the obvious stage such as an oak tree. E. It is dependent on the gametophyte for nutrition.
The term for cancer of lymphatic tissue not related to Hodgkin's disease is
Fill in the blank(s) with the appropriate word(s).
The synthesis of one molecule of ATP from ADP requires ________ to be translocated across the inner mitochondrial membrane.
A) one proton B) three protons C) hundreds of protons D) 1 mole of protons
A recombinant plasmid created during a recombinant DNA experiment:
A) carries and allows expression of a foreign gene of interest. B) can be used to insert bacterial genes into a human. C) consists only of extra-chromosomal bacterial DNA. D) functions to remove specific genes from a plant. E) is used in whole organism cloning.