0
What else can I help you with?
Is it weird for people to get goosebumps when they are happy?
People get goosebumps when they're cold, or thrilled. Goosebumps are caused by tiny muscles, controlled by nerves to keep you warm.
What function do goosebumps play in your integument?
Goosebumps are caused by the contraction of tiny muscles called arrector pili muscles attached to hair follicles. In animals, this response can help trap air to provide insulation or make the animal appear larger to predators. In humans, goosebumps are a vestigial response that has lost its original function but can be triggered by emotions or cold temperatures.
Why do we have goosebumps?
Goosebumps are caused by the contraction of tiny muscles at the base of hair follicles when we experience fear or cold. This response is a primitive reaction that dates back to our ancestors needing to stay warm or appear larger when threatened.
How does the arrector pili muscle cause shivering?
The arrector pilli does not cause shivering - it's responsible for "goosebumps".. shivering is caused by skeletal-muscles..
What is the movement of food in the oesophagus?
Peristalsis is the movement of food through the alimentary canal, caused by rhythmic contractions of the muscles therein.
What happens when arrector pilli muscles contract?
These are the muscles that make your hair stand up.... goose bumps, anyone?
What is clonus?
Involuntary contractions of the muscles, classically the long muscles associated with standing (the anti-gravity muscles).
What is the major functions of cardiac muscles?
Heart Contractions
What are Repeated contractions of the cardiac muscles Called?
the heart
What is the neurotransmitter used to cause contractions in muscles?
Acetylcholine
Why does muscles have the most mitochondria in it?
Muscles are metabolically active. Contractions of muscles cost ATP. So there are many mitochondria
How do goosebumps and shivering keep you warm?
Goosebumps and shivering are physiological responses that help regulate body temperature in cold conditions. Goosebumps occur when tiny muscles at the base of hair follicles contract, causing hair to stand upright, which creates an insulating layer of air. Shivering involves rapid muscle contractions that generate heat, increasing body temperature. Together, these responses help maintain warmth by minimizing heat loss and producing additional heat.
