________ peritoneum covers the external surfaces of most digestive organs.
Fill in the blank(s) with the appropriate word(s).
Visceral
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The presence of _______ within intercalated discs allow the heart's contractile cells to work together as a functional syncytium
Fill in the blank(s) with correct word
The lymphatic capillaries function to absorb the excess protein-containing interstitial fluid and return it to the bloodstream
Indicate whether the statement is true or false
Cytotoxic T cells
A. secrete perforin, which kills bacteria and viruses by perforating the membrane or coat that surrounds them. B. secrete proteins that neutralize bacterial toxins. C. are activated by interleukin 1. D. are converted to plasma cells when activated by MHC proteins. E. require Class I MHC proteins to recognize foreign antigens.
Chromosomes carry genes and genes carry genomes.
Answer the following statement true (T) or false (F)