muscles
Skeletal muscles attach to bones through tendons. This topic is part of Human Body within Science & Nature. This page currently draws on 14 supporting questions, with answers and bonus facts available below.
muscles trivia questions
Muscles produce movement by doing what?
Answer: Contracting
Bonus fact: Muscle fibers shorten and generate force.
Which muscle type is under voluntary control and moves the skeleton?
Answer: Skeletal muscle
Bonus fact: Skeletal muscles attach to bones through tendons.
Which proteins interact to cause skeletal muscle contraction?
Answer: Actin and myosin
Bonus fact: Myosin pulls on actin filaments.
What small muscles help move the eyebrows during facial expression?
Answer: Facial muscles
Bonus fact: Several facial muscles raise, lower, and draw the brows together.
Abdominal muscles are located in what part of the body?
Answer: Torso
Bonus fact: They form much of the front and sides of the abdomen.
The facial nerve controls many muscles used for what?
Answer: Facial expression
Bonus fact: It is cranial nerve VII.
During REM sleep, most major skeletal muscles are temporarily what?
Answer: Inhibited
Bonus fact: REM atonia helps prevent acting out dreams.
Bluefin tuna are famous for being able to maintain body temperatures what relative to surrounding water?
Answer: Warmer
Bonus fact: Countercurrent heat exchange helps warm swimming muscles.
What structure connects the two valves of a clam shell?
Answer: Hinge ligament
Bonus fact: The ligament helps open the shell when closing muscles relax.
The iris controls the size of what opening?
Answer: Pupil
Bonus fact: Muscles in the iris adjust how much light enters.
Pain receptors are found in skin and many other what?
Answer: Body tissues
Bonus fact: Nociceptors occur in joints, muscles, organs, and other tissues.
Banded krait venom primarily attacks which body system?
Answer: The nervous system
Bonus fact: Like other kraits, it has potent neurotoxic venom that can interfere with breathing by paralyzing muscles.