Show:
Skin Functions
Skin Structures
System Interactions
Muscle Functions
Muscle Types
100
How and where is Vitamin D produced in the body?
What is exposure of skin to sunlight?
100
This chemical pigment gives skin its unique color.
What is melanin?
100
This type of human body tissue can contract, or shorten.
What is muscle tissue?
100
In what different ways can muscles be controlled, or moved?
What is voluntarily or involuntarily?
100
Smooth muscles do not contain ______________.
What are striations?
200
How does the skin protect the body?
by keeping disease-causing microorganisms from entering the body.
200
These can either dilate or constrict to regulate blood flow to the skin, thereby regulating temperature.
What are blood vessels?
200
Muscles, bones, and nerves work together to ____________.
What is make your body move?
200
How do pairs of skeletal muscles work together?
While one muscle in the pair contracts, the other returns to its original length.
200
Which type of muscle is found only in the heart?
What is cardiac?
300
How does the skin help regulate body temperature?
by enabling excess heat to escape from the body OR diverting blood to deeper tissues (ie. sweating)
300
Nerves and blood vessels in the skin are located in the ___________.
What is the dermis?
300
The senses of touch and temperature relate to which function of skin?
How does the skin "gather information"?
300
Explain how muscles relate to the skeletal system?
Attach to bones to move.
300
The involuntary muscles in your stomach that move food through your digestive system are an example of __________.
What is smooth muscle?
400
Name the five functions of the largest organ of the body, including any structures involved in helping those functions.
Regulate temperature Protect the body Produce Vitamin D Gather information Eliminate waste
400
The living cells in the ____________ are located beneath the dead cells.
What is epidermis?
400
Nutrients move into the bloodstream from the digestive system by a process called ____________.
What is absorption?
400
Skeletal muscles must work in pairs because:
Muscle cells can only contract, not lengthen.
400
Which type of muscle tires quickly during exercise?
What is skeletal?
500
Your blood vessels can constrict to keep blood away from the upper/outer surface of your skin. Under what conditions is this helpful?
When the body temperature is too low and needs to conserve heat.
500
Sweat glands play a primary role in what two functions of the skin?
What is eliminating waste and regulating temperature?
500
During exercise, the heart beats faster. How does this help the body?
Increasing OXYGEN in the blood.
500
Identify the biceps and triceps (in your arm). Which contracts to bend the elbow? And what is the role of the triceps?
What is the biceps? Triceps helps stabilize the movement.
500
This muscle type is striated and involuntary.
What is cardiac?