"Name That Structure"
(Anatomy)
(Anatomy)
Where is the smallest muscle in the human body located?
The stapedius muscle, located in the (middle) ear.
What is the primary function of the muscular system?
To enable movement of the human body and move substances through internal organs.
DAILY DOUBLE
Three types of muscles
Cardiac
Smooth
Skeletal
The body system sends electrical signals telling muscles when to contract.
The Nervous System
Disease affecting skeletal muscles, which makes a person feel weak.
Myopathy
Shivering is caused by rapid contractions of the muscles.
Fact
What organ contains cardiac muscle tissue?
The heart.
How does the muscular system help maintain homeostasis during cold temperatures?
Muscles contract rapidly (shivering) to generate heat.
The type of muscle responsible for moving substances like food through the digestive system.
Smooth muscle
This body system provides nutrients for muscle energy and repair.
The Digestive System
Inflammation of the tendon, often due to chronic damage.
Tendinitis
DAILY DOUBLE
You can grow muscle without eating protein.
Myth
Where is the longest muscle in the human body located?
The sartorius (thigh)
What provides the energy needed for muscle contraction?
ATP
Muscle type found only in the heart and works involuntarily.
Cardiac muscle
This body system uses smooth muscle to help move reproductive cells and support childbirth.
The Reproductive System
DAILY DOUBLE
Stretch or tear of a muscle or tendon.
Strain
Most of your body heat is generated by muscles.
Fact (85%)
DAILY DOUBLE
What is the largest muscle in the human body?
The gluteus maximus (buttocks)
What does involuntary muscle control mean?
The muscles contract without conscious effort.
What type of muscle is voluntary and attaches to bones?
Skeletal muscle
This body system provides structure for muscles to pull against.
The Skeletal System
Sudden involuntary muscle contraction after over-activity or due to dehydration.
Cramps or Spasms
All muscles in the human body are the same type.
Myth
How many muscles are in the human body?
About 650–700
What are the two proteins involved in the sliding filament theory?
Actin and myosin
What type of control (voluntary or involuntary) is associated with smooth muscle and cardiac muscle?
Both are involuntary
DAILY DOUBLE
This body system uses sweat glands in the skin to help cool muscles during activity.
The Integumentary System
Acquired disorder due to inflammation in the muscle and skin.
Dermatomyositis
Muscles need ATP to contract.
Fact