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."
Answer:
reproductive and endocrine
Explanation:
endocrine because ovaries secrete hormones directly into the blood.
reproductive because they produce egg cells for fertilization
A is the answer I've had this question before also on a health work sheet
Answer:
A
Explanation:
because all of the other answer are an affect of tobacco use so A is correct
