Biology, 04.05.2020 23:23 gggghhhhhhhhhhhh
If a person has a blood-calcium (Ca2+) level of 8 mg/100 mL of blood, which of the following mechanisms does the body use to maintain blood-calcium homeostasis?
A. The kidneys take up more Ca2+ and release vitamin D.
B. The bones release Ca2+.
C. The intestines increase reabsorption of Ca2+.
D. All of the above
Answers: 3
Other questions on the subject: Biology
Biology, 22.06.2019 16:20, kdenormandie3122
What contributes to the high level of biodiversity found in wetlands? a. the large amount of available organic matter to organisms that are food for larger organisms b. the amount of available water for organism use c. the high nutrient availability d. all of the above select the best answer from the choices provided a b c d
Answers: 2
Biology, 23.06.2019 06:20, jay555538
How can dna be useful in phylogeny? a. dna sequences are rearranged to predict how species could evolve in the future. b. dna sequences from different species can be compared, giving us more information about their evolutionary relationships. c. dna from every organism in a clade is sequenced to identify genetic mutations that have occurred. d. dna isn't useful in phylogeny, as morphological characteristics are used exclusively in phylogeny.
Answers: 2
You know the right answer?
If a person has a blood-calcium (Ca2+) level of 8 mg/100 mL of blood, which of the following mechani...
Questions in other subjects:
