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WorksheetsHomeostasis Summary
Total questions: 19
Worksheet time: 13mins
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
If pressure increases on a mothers cervix during childbirth then oxytocin increases, this is an example of ____ feedback?
Thermoregulation
Blood Pressure
positive
negative
When the body temperature drop below normal ranges, arterioles in the skin will
dilate to allow less blood to flow to skin surface
constrict to allow less blood to flow to skin surface
dilate to allow more blood to flow to skin surface
constrict to allow more blood to flow to skin surface
Which hormone is released when blood sugar gets too high?
glucose
glucagon
glycogen
insulin
which organ will balance the glucose level in the blood by releasing hormones like insulin or glucagon?
Stomach
Small intensine
large intestine
Pancreas
Excess of glucose will be stored in what form?
insulin
glycogen
glucagon
glucose
The group of organisms that use the process of homeostasis includes
mammals, only
animals, only
plants and animals
all living things
Which organ in the body converts glucose into glycogen and vice versa?
intestines
liver
pancreas
heart
When ADH is secreted, urine will:
Be more dilute
Be more concentrated
Have a larger volume
All of the above
ADH is released from the pituitary gland into the:
Circulatory system
Endocrine system
Nervous system
All of the above
ADH is created in the:
Hypothalamus
Posterior Pituitary Gland
Brain
Kidney
Define homeostasis.
(a)
Define hormone. (Full definition, 4 marks)
(a)
