Homeostasis iGCSE

What is the evaporation of a liquid to cool the body?

• Shivering
• Sweating
• Vasodilation
• Vasoconstriction

What is involuntary contractions of voluntary muscles to warm up?

• Shivering
• Sweating
• Vasodilation
• Vasoconstriction

Tags

NGSS.HS-LS1-3

What transports substances around the body?

• Blood
• Sweat
• Tears
• Urine

Homeostasis

• allows for a wildly fluctuating internal environment
• is impossible in vertebrates
• is the maintenance of a relatively stable internal environment and often incorporates a form of feedback regulation
• is the maintenance of a relatively stable external environment and often incorporates a form of feedback regulation

Tags

NGSS.HS-LS1-3

Homeostasis in the human body is often maintained by a: 

• neutral feedback loop 
• solar feedback loop
• positive feedback loop
• negative feedback loop

Tags

NGSS.HS-LS1-3

When you are cold, you shiver and your blood vessels contract, which warms you up. When you are hot, you sweat and your blood vessels expand, which cools you down.  

• Positive Feedback Response
• Negative Feedback Loop 

Tags

NGSS.HS-LS1-3

a body system that controls growth and homeostasis by secreting hormones from glands.

• skeletal system
• nervous system
• endocrine sytem
• integumentary system

Tags

NGSS.HS-LS1-3

Homeostasis is the regulation of the ________________ environment.

• Outside
• Homeostatic
• Internal
• External

Tags

NGSS.HS-LS1-3

what is the function of integumentary system to control body temperature high?

• arterioles in the epidermis dilate so that more blood flow to the skin
• produce hormones to reduce the metabolic rate
• sweat glands in the skin produce more sweat and hair erector mucles relax to let the hair lie down
• detect the temperature and send to nerve impulses to the brain

Tags

NGSS.HS-LS1-3

which of the organ will balance the glucose level in the body?

• Stomach
• Small intensine
• Deodenum
• Pancrease

Tags

NGSS.HS-LS1-3