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:
C: new, higher-yield crops
Explanation:
All of the other answers are problems while C is a positive scenario.
The sense of equilibrium responds to movements of the head. It is divided into two types —
Static and Dynamic
Answer:
The executive branch carries out and enforces laws. It includes the President, Vice President, the Cabinet, executive departments, independent agencies, boards, commissions, and committees.