Answer:
The correct statement is that Cardiac muscles have shorter absolute refractory period than skeletal muscles.
Explanation:
"Cardiac muscle also called heart muscle or myocardium is one of three types of vertebrate muscles, It is an involuntary, striated muscle that constitutes the main tissue of the walls of the heart."
The appropriate answer is 3. Fats. Fat is a triglyceride molecule. Collectively fats form a type of tissue known as adipose tissue. The primary function of fat is energy storage but when concentrated in adipose tissue it provides thermal insulation and also doubles as a shock absorber for vital organs in the body.
Nucleic acids transmits genetic information and is used in cellular activities such as protein synthesis. Carbohydrates when broken down provides heat but are not involved in insulating the body.
The answer Is True i know for a fact