Answer the following statements true (T) or false (F)
1. Calcitonin targets the bones and causes the release of calcium from storage when serum levels are low.
2. The normal pH of blood is 7.35-7.45.
3. Most acidic substances (hydrogen ions) originate as by-products of cellular metabolism.
4. Weak acids are able to act as chemical buffering systems for the body because they partially dissociate.
5. The phosphate buffer system is relatively unimportant for buffering blood plasma.
1. FALSE
2. TRUE
3. TRUE
4. TRUE
5. TRUE
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Bone cells form concentric circles around longitudinal tubes called
A. lacunae. B. central canals. C. osteons. D. canaliculi.
Which of these body regions is located on the posterior body surface?
A) antebrachial B) umbilical C) gluteal D) plantar E) pubic
Describe how glycolysis, creatine, and mitochondria are important to a skeletal muscle fiber's ability to obtain energy for contraction
What will be an ideal response?
Normal respiratory rhythm is known as _____
Fill in the blank(s) with the appropriate word(s).