What is homeostasis?
The maintenance of a constant external environment
The maintenance of a constant internal environment
The maintenance of conditions of the body outside safe limits
What is core body temperature?
37°C
40°C
25°C
Which organ filters urea out of the blood?
Liver
Bladder
Kidneys
Which organ breaks down hormones when they are no longer needed?
Kidney
Stomach
Which of these statements is correct?
The endocrine system provides slower responses than the nervous system
The endocrine system provides faster responses than the nervous system
The endocrine system provides shorter lasting responses than the nervous system
Electrical signals are used by which control system?
The nervous system
The endocrine system
Both
What is a hormone?
Chemical messengers produced in glands
Chemical messengers produced in nerve cells
Electrical impulses produced in glands
Which part of the brain detects changes in temperature of the blood? - Higher
Pituitary gland
Brain stem
Hypothalamus
What is the effect of the hormone ADH? - Higher
It increases the permeability of the kidney nephrons to water
It decreases the permeability of the kidney nephrons to water
It increases the permeability of the kidney nephrons to urea
Which of these is a hormone that is controlled by negative feedback? - Higher
Adrenaline
Thyroxine
Thyroid