Worksheets6.6 Homeostasis and Hormones
Total questions: 15
Worksheet time: 11mins
Homeostasis is the maintenance of a constant...
internal environment
external environment
living environment
Negative Feedback loops are...
Purposeful pushes above normal set values.
Counteract a change to bring it back to normal set values
Are rare
Help with childbirth
Positive Feedback loops are...
Counteract changes that move above or below set values.
more common
regulate body temp
Purposeful pushes above normal set values.
When you are hot, your body sweats to cool you down. This means your temperature went above normal and your body sweats to counteract that change to bring you back to normal. What kind of feedback loop would this be?
Negative Feedback Loop
Positive Feedback Loop
Neutral Feedback Loop
Linear Feedback Loop
What is the function of the endocrine system?
to filter and eliminate the waste from the blood
to secrete hormones into the bloodstream to regulate body activities
to provide structure and support for the body
to defend the body against pathogens
A hormone is
a chemical substance produced by a gland and carried by the lymph.
an enzyme produced by a gland and carried by the blood.
a chemical substance produced by an organ and carried by the blood.
a chemical substance produced by a gland and carried by the blood.
Cell metabolic rates are controlled by this hormone.
insulin
glucagon
thyroxine
melatonin
Which one here is a hormone to control blood glucose levels?
Glycogen
Glycerol
Glucagon
Glucose
The diagram shows the mechanisms that control the concentration of glucose in the blood.
Which row identifies the glands and hormones labelled W, X, Y and Z?
adrenal gland, adrenaline, adrenal gland, glucagon
adrenal gland, adrenaline, pancreas, insulin
pancreas, glucagon, adrenal gland, insulin
pancreas, insulin, pancreas, glucagon
Insulin and glucagon are produced by
the liver
the pancreas
the kidneys
the blood
What hormone triggers sleepiness within humans?
thyroxine
insulin
glycogon
melatonin
Which one here reduces the amount of glucose in the blood?
Glucagon
Insulin
Glycogen
ADH
Secreted by fat cells, causes brain to increase metabolism and decrease hunger.
Insulin
Leptin
Glucagon
ADH
A disease in which the body's ability to produce or respond to the hormone insulin is impaired, causing an increase in blood sugar
diabetes
ulcers
asthma
bronchitis
