Muscle Basics
What body system allows the body to move?
Muscular system
What is the main function of the muscular system?
Movement
How many bones are typically found in the adult human skeleton?
206
What is the body's largest organ?
Skin
What muscle is commonly called the biceps?
Biceps brachii
How many types of muscle tissue are found in the human body?
Three
What happens to a muscle when it contracts?
It shortens and produces force
What structure connects a muscle to a bone?
Tendon
What is the outermost layer of the skin called?
Epidermis
What large muscle is located on the back of the upper arm?
Triceps brachii
Which muscle tissue is responsible for voluntary movement?
Skeletal muscle
Which type of muscle is controlled consciously?
Which type of muscle is controlled consciously?
What structure connects one bone to another bone?
Ligament
Which system provides the framework that skeletal muscles pull on to produce movement?
Skeletal system
What muscle group is located on the front of the thigh?
Quadriceps
What type of muscle is found in the walls of the stomach and intestines?
Smooth muscle
Besides movement, name one other important function of the muscular system.
Maintaining posture or producing heat
What type of joint is found at the shoulder?
Ball-and-socket joint
How do the muscular and integumentary systems work together to regulate body temperature?
Muscles produce heat, while the skin helps release heat through sweating and changes in blood flow
What is the large muscle responsible for extending the hip, especially when standing up or climbing stairs?
Gluteus maximus
What type of muscle tissue is responsible for pumping blood throughout the body?
Cardiac muscle
Why must skeletal muscles work in opposing pairs?
Muscles can pull but cannot push, so opposing muscles move bones in opposite directions
What is the name of the joint movement that decreases the angle between two bones?
Flexion
Explain how the integumentary, skeletal, and muscular systems work together when a person runs.
Muscles contract to pull bones and move the body, while skin protects underlying structures and helps regulate temperature
During elbow flexion, which muscle is the primary mover and which muscle acts as an antagonist?
Biceps brachii is a primary mover; triceps brachii is the antagonist