Myofibrils are the building blocks or contractile unit of each muscle fiber. The tiniest functional unit of skeletal muscle, the sarcomere, is found in the myofibrils and is made up of protein filaments: actin (thin) and myosin (thick).
Answer: past
Explanation: answers show that combonations can develope things
Answer: B) It controls the autonomic nervous system and regulates hunger and thirst sensations.
The answer: True
if not it wouldn’t continue to more or it wouldn’t be steady
