The lowest body pH is found in the fluid of the working stomach. How does a pH of about 3 in this particular location benefit the body as a whole?
What will be an ideal response?
The low pH of the stomach helps to break down food and protect us from many ingested microorganisms. This helps to provide nutrition to the body and avoid many digestive diseases.
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Which of the following is not a step in endochondral bone formation?
A) Hyaline cartilage develops into the shape of the future bone. B) Osteoblasts deposit osseous tissue in place of disintegrating cartilage. C) Hyaline cartilage changes to adipose tissue. D) Periosteum forms from connective tissue outside the developing bone.
If a fish becomes tangled in a net, it should be cut free
Indicate whether the statement is true or false
What percentage of the total caloric intake should be saturated fats?
A) no greater than 10% B) no greater than 30% C) 0% D) 45-60%
The primary function of ADH is to
A) increase the amount of sodium lost at the kidneys. B) decrease the amount of water lost at the kidneys. C) decrease blood pressure. D) increase digestive absorption. E) delay urination.