Which of the following statements best describes cardiac muscle? Group of answer choices

Striated, multiple nuclei per cell, under voluntary control, and cells are long and cylindrical.

Striated, one nucleus per cell, under involuntary control, short branching cells, and have intercalated discs.

No striations, one nucleus per cell, under involuntary control, and cells are spindle shaped.

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How do accessory pigments chlorophyll?

Darrel conducted an experiment with the following procedure: fill two cups with ice water. place an uninflated balloon snuggly onto your left index finger. blow a little air into an identical balloon, and place it onto your right index finger. place both fingers into the cups of ice water. darrel noticed that his right finger felt warmer in the ice water than did his left finger. which of the following does the experiment show? a. air is a good radiator of heat. b. air is a good insulator of heat. c. air is a good conductor of heat. d. air is a good convector of heat.