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a.
To determine: The amount of Ca2+ a person filters in a day.
Introduction: GFR (glomerular filtration rate) describes the amount of fluid that filters into Bowman’s capsule per unit time.
b.
To determine: The amount of Ca2+ a person must excrete to balance the Ca2+ level in the body.
Introduction: The total body Ca2+ is all the calcium in the body, which is distributed among three compartments: extracellular fluid, intracellular Ca2+, and extracellular matrix (bone).
c.
To determine: The percentage of filtered Ca2+ to be reabsorbed by the renal tubule.
Introduction: The Ca2+ loss from the body occurs primarily through the kidneys, with a small amount excreted in feces.
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Chapter 23 Solutions
Human Physiology: An Integrated Approach Plus Mastering A&P with Pearson eText -- Access Card Package (8th Edition) (What's New in Human Physiology)
- What is the opening indicated by the pointer? (leaf x.s.) stomate guard cell lenticel intercellular space none of thesearrow_forwardIdentify the indicated tissue? (stem x.s.) parenchyma collenchyma sclerenchyma ○ xylem ○ phloem none of thesearrow_forwardWhere did this structure originate from? (Salix branch root) epidermis cortex endodermis pericycle vascular cylinderarrow_forward
- Identify the indicated tissue. (Tilia stem x.s.) parenchyma collenchyma sclerenchyma xylem phloem none of thesearrow_forwardIdentify the indicated structure. (Cucurbita stem l.s.) pit lenticel stomate tendril none of thesearrow_forwardIdentify the specific cell? (Zebrina leaf peel) vessel element sieve element companion cell tracheid guard cell subsidiary cell none of thesearrow_forward
- What type of cells flank the opening on either side? (leaf x.s.) vessel elements sieve elements companion cells tracheids guard cells none of thesearrow_forwardWhat specific cell is indicated. (Cucurbita stem I.s.) vessel element sieve element O companion cell tracheid guard cell none of thesearrow_forwardWhat specific cell is indicated? (Aristolochia stem x.s.) vessel element sieve element ○ companion cell O O O O O tracheid O guard cell none of thesearrow_forward
- Identify the tissue. parenchyma collenchyma sclerenchyma ○ xylem O phloem O none of thesearrow_forwardPlease answer q3arrow_forwardRespond to the following in a minimum of 175 words: How might CRISPR-Cas 9 be used in research or, eventually, therapeutically in patients? What are some potential ethical issues associated with using this technology? Do the advantages of using this technology outweigh the disadvantages (or vice versa)? Explain your position.arrow_forward
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