Answer the following questions true (T) or false (F)
1. Contraction of the diaphragm causes exhalation to occur.
2. Pulmonary ventilation occurs because of pressure differences between the lungs and the external environment.
3. Digestion is a process of mechanical and chemical breakdown of larger food molecules into smaller ones that can be absorbed.
1. FALSE
2. TRUE
3. TRUE
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Four of these five choices are substances that release ozone-destroying chemicals. Select the exception
a. evaporating fossil fuels b. coolants c. solvents d. plastic foam e. propellants in aerosol cans
In what way does the life cycle and reproduction of seedless vascular plants resemble the life cycle and reproduction of amphibians?
What will be an ideal response?
When the amount of thyroxine in the body increases, the basal metabolic rate of the body also increases
Indicate whether the statement is true or false
Which one of the following is NOT a characteristic of giardiasis?
a. It is caused by a flagellated protist. b. diarrhea is a notable sign c. transmission occurs by tick bites d. it is the most commonly detected intestinal protistan disease in the US