Which of the following structures is used to reduce friction in joints?
1. Bursae
2. Synovial fluid
3. Accessory ligaments
4. Elastic fibers
a) 1 only
b) 2 only
c) 3 only
d) 4 only
e) 1 and 2
e
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Amniocentesis would be an appropriate mechanism to test for Down Syndrome (trisomy 21).
Answer the following statement true (T) or false (F)
The study of the flow of energy and its transformations is called
A) energetics. B) glycolysis. C) cellular respiration. D) thermodynamics. E) metabolism.
Osmosis is the diffusion of
A. water within the inside of a cell. B. water across a membrane. C. solutes within the inside of a cell. D. solutes across a membrane.
A young couple desires to start a family later, but they currently rely on the rhythm method and are uncomfortable with the thought of hormonal contraceptives. What additional form of birth control would you advise them to use?
What will be an ideal response?