Skeletal System
This is the longest bone in the human body.
What is the femur?
This muscle is the primary mover of elbow flexion.
What is the biceps brachii?
This cell is the functional unit of the nervous system.
What is a neuron ?
This organ pumps blood throughout the body.
What is the heart
This tissue connects muscle to bone.
What is a tendon?
These bones protect the heart and lungs.
What are the ribs?
This type of muscle is under voluntary control.
What is skeletal muscle?
This insulating covering speeds nerve impulse transmission.
What is the myelin sheath?
These vessels carry blood back to the heart.
What are veins?
This body system is responsible for immune defense and fluid balance.
What is the lymphatic system?
This type of joint allows the greatest range of motion.
What is a ball-and-socket joint?
The opposite of a prime mover is called this.
What is an antagonist?
This division controls involuntary body functions.
What is the autonomic nervous system?
This chamber pumps oxygenated blood into the aorta.
What is the left ventricle?
This body position means lying face down.
What is prone?
This structure connects bone to bone.
What is a ligament?
This muscle forms the bulk of the calf.
What is the gastrocnemius?
Pain receptors are called these.
What are nociceptors?
This vessel is the largest artery in the body.
What is the aorta?
This movement decreases the angle between two bones.
What is flexion
This part of a long bone contains yellow bone marrow in adults.
What is the medullary cavity?
This muscle assists with inhalation by increasing the size of the thoracic cavity.
What is the diaphragm?
This theory explains how non-painful input can reduce pain perception.
What is the Gate Control Theory?
This exchange of oxygen and carbon dioxide occurs in these tiny blood vessels.
What are capillaries?
This muscle is commonly called the “six-pack” muscle.
What is the rectus abdominis?