I don't know, maybe because of the way we see animals. Not as our equal parts
Answer:
The Knee Flexor Muscles
Explanation: The Hamstrings All three hamstring muscles originate from the ischial tuberosity and run toward the knee. The biceps femoris muscle is inserted into the head of the fibula. It can rotate the lower leg so that the foot points laterally.
D because they are complete systems
The answer is A I believe
