What percentage of your body mass does muscle make up?
Muscle makes up 40% to 50% of your body mass!
This number is higher in men and lower in women (usually).
Which body movement does muscle cause?
Muscle causes arm raising, intestines pushing food, heart beating, and hair raising on end.
The correct answer is all of the above.
Which statement is true regarding muscle contraction?
Electricity causes a muscle to contract.
Other options are incorrect.
What is a muscle cell called?
A muscle cell is called a muscle fiber.
What is a bundle or group of muscle fibers called?
A bundle or group of muscle fibers is called a fascicle.
Which two proteins help muscles to contract?
Actin and myosin
What does it mean to say that a type of tissue is vascular?
Filled with vessels
True or false: Muscle tissue is vascular.
True
Identify the type of muscle tissue: has striations, is multinucleated, and has peripherally located nuclei.
Skeletal muscle
Identify the type of muscle tissue: has striations, highly branched and interconnected, and has centrally located nuclei.
Cardiac muscle
Identify the type of muscle tissue: has no striations and a centrally located nucleus.
Smooth muscle
Fill in the blank: Skeletal muscle is __________ control.
Completely voluntary
Fill in the blank: Cardiac muscle is __________ control.
mostly Involuntary
Fill in the blank: Smooth muscle is __________ control.
involuntary
Which type of muscle tissue is found in the heart?
Cardiac
Which type of muscle tissue is found in the stomach?
Smooth
found in bladder
smooth
attached to bones
skeletal
found in uterus
smooth
found in blood vessels
smooth
found in eye
smooth
attached to skin
skeletal
found in intestines
smooth
does peristalsis (contracts slowly)
smooth
