Answer the following questions true (T) or false (F)
1. The osmotic pressure gradient, or the force of solutes in a solution, tends to push water away from the solution with the higher osmotic pressure, or the more concentrated solution, by osmosis.
2. Sensible water loss includes water lost through feces and urine while insensible water loss includes water lost through sweating and evaporation.
3. Metabolic water (or water of oxidation) amounts to a total gain of about 250 ml of water per day.
1. FALSE
2. TRUE
3. TRUE
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Which hormone is secreted by the beta cells of the pancreas?
A. Pancreatic lipase B. Glucagon C. Insulin D. Pancreatic polypeptide E. Somatostatin
Select the incorrect statement about the parasympathetic nervous system
a. It inhibits all cardiac muscle and smooth muscle. b. Neurotransmitter from all its postganglionic fibers bind to muscarinic receptors. c. Neurotransmitter from all its preganglionic fibers bind to nicotinic receptors. d. Part of it originates in the brain e. Part of it originates in the most inferior region of the spinal cord.
Energy flow through organisms is inefficient because
Energy is lost to heat as it is converted Energy changes from form to form and not all organisms can use the different types of energy Some molecules are larger and require more energy to convert them to a usable product
Which type of cells recycle the calcium and phosphate stored there?
A) bone cells B) fat cells C) muscle cells D) nervous cells E) blood cells