Biology Practice: Skeletal System (Mock Test 4 - Expert: Antagonistic Muscles & Mechanics)
1. Muscles usually work in pairs to produce movement. This relationship is described as:
2. When you bend your arm at the elbow, which muscle acts as the "Flexor" by contracting?
3. What happens to the "Triceps" muscle when the arm is straightened (extended)?
4. The "Acetabulum" is a deep cup-shaped cavity in the pelvic girdle. Which bone fits into it?
5. "Cardiac Muscles" are unique because they are:
6. The "Gastrocnemius" muscle is located in the ________ and helps in walking.
7. Which of the following is an example of an "Involuntary (Smooth) Muscle"?
8. The structural unit of a muscle fiber is called a:
9. "Muscle Fatigue" is caused by the accumulation of ________ in the muscles during heavy exercise.
10. The "Glenoid Cavity" is a shallow socket in the pectoral girdle where the ________ fits.