When the diaphragm and the rib muscles contract, enlarging the chest cavity, ______ occurs.
Fill in the blank(s) with the appropriate word(s).
Ans: expiration
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________ increases the intensity of uterine contractions.
A. Oxytocin B. ADH C. Pituitary hormone D. Melatonin
As the respiratory tube branches become smaller in diameter,
A) the epithelial lining changes from pseudostratified ciliated columnar to cuboidal and simple squamous epithelium. B) the epithelial lining changes to connective tissue. C) they have increased muscle fibers. D) they have increased cartilage.
Gastrin is a digestive hormone that is responsible for the stimulation of acid secretions in the stomach. These secretions are stimulated by the presence of ________.
A) starches and complex carbohydrates B) protein and peptide fragments C) simple carbohydrates and alcohols D) fatty acids
Telomeres serve to ________.
increase apoptosis cap the ends of DNA and protect it from damage break DNA and cause it to degrade cause replication of genes