Capillaries lack smooth muscle and elastic or fibrous tissue reinforcement. Instead, their walls consist of ________, supported on a cellular matrix called ________.
Fill in the blank(s) with the appropriate word(s).
a flat layer of endothelium, the basal lamina.
Anatomy & Physiology
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The center of an atom is called the
A) core. B) hub. C) middle point. D) nucleus. E) focus.
Anatomy & Physiology
Which of these factors does not affect hemoglobin's affinity for oxygen?
A) RBC metabolic activity B) temperature C) electrolyte balance D) the PO2 of blood E) blood pH
Anatomy & Physiology
The soft palate reflexively opens the nasopharynx to allow the passage of food, which is now called a bolus
Indicate whether the statement is true or false
Anatomy & Physiology
The nucleotide triplet in tRNA that base-pairs with a complementary triplet in mRNA is called the codon
Indicate whether the statement is true or false.
Anatomy & Physiology