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WorksheetsHomeostasis & Excretory System
Total questions: 12
Worksheet time: 6mins
What is homeostasis?
The body's ability to maintain a stable internal environment
The body's response to external environmental changes
A medical condition that disrupts bodily functions
The process of sweating to regulate body temperature
Which of the following is not an example of a homeostatic control mechanism in the human body?
Sweating to cool down the body in response to heat
Shivering to generate heat in response to cold
A rapid increase in heart rate during exercise
The growth of new skin cells to replace old ones
When the body experiences dehydration, what hormone is released to conserve water and decrease urine production?
Insulin
Glucagon
Aldosterone
Thyroxine
The regulation of body temperature is an example of which type of homeostasis?
Osmoregulation
Thermoregulation
Glucoregulation
Acid-base balance
During a cold winter day, which physiological response helps the body maintain its core temperature as a part of thermoregulation?
Sweating to release excess heat
Vasodilation of blood vessels to the skin
Shivering to generate heat
Increasing the heart rate
Which organ is primarily responsible for filtering waste products from the blood and forming urine?
Liver
Kidney
Lungs
Stomach
What is the functional unit of the kidney responsible for the filtration of blood and formation of urine?
Nephron
Alveoli
Cardiomyocyte
Oocyte
Which of the following is a waste product commonly excreted by the kidneys in urine?
Oxygen
Nitrogenous waste (urea)
Glucose
Red blood cells
The primary function of the urinary bladder is to:
Filter waste products from the blood
Reabsorb water from urine
Store and eliminate urine from the body
Produce hormones to regulate blood pressure
When blood pressure decreases, how do the kidneys contribute to homeostasis?
By releasing excess water
By conserving water and increasing blood volume
By reducing the production of waste products
By controlling body temperature
Which of the following hormones is primarily responsible for regulating blood sugar levels?
Insulin
Adrenaline
Cortisol
Estrogen
What is the primary role of the liver in maintaining homeostasis?
Producing insulin
Filtering toxins from the blood
Regulating body temperature
Storing oxygen
