Human Body Temperature Regulation
Biology ⇒ Human Biology
Human Body Temperature Regulation starts at 8 and continues till grade 12.
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See sample questions for grade 10
Describe how the body responds to a decrease in external temperature.
Describe the role of negative feedback in maintaining body temperature.
Describe the role of sweat glands in regulating body temperature.
Describe the role of the hypothalamus in thermoregulation.
Describe what happens during heat stroke and why it is dangerous.
Describe what happens to the body’s blood vessels when exposed to cold temperatures.
A person is exposed to cold weather and starts to shiver. What is the main purpose of shivering in this situation? (1) To increase heat loss (2) To generate heat (3) To decrease metabolic rate (4) To increase sweating
A person is running on a hot day and starts to sweat heavily. What is the main reason for this response? (1) To increase blood pressure (2) To cool the body through evaporation (3) To conserve water (4) To increase metabolic rate
A person is exposed to cold weather and starts to shiver. What is the main purpose of shivering in this situation? (1) To increase heat loss (2) To generate heat (3) To decrease metabolic rate (4) To increase sweating
A person is running on a hot day and starts to sweat heavily. What is the main reason for this response? (1) To increase blood pressure (2) To cool the body through evaporation (3) To conserve water (4) To increase metabolic rate
What is the average normal body temperature for a healthy adult human in degrees Celsius? (1) 35°C (2) 36.5°C (3) 37°C (4) 38°C
Which hormone is released by the thyroid gland to increase metabolic rate and heat production? (1) Insulin (2) Thyroxine (3) Adrenaline (4) Glucagon
Fill in the blank: The evaporation of sweat from the skin surface __________ body temperature.
Fill in the blank: The main organ responsible for detecting changes in blood temperature is the __________.
Fill in the blank: The process by which heat is transferred from the body to a cooler object by direct contact is called __________.
Fill in the blank: The process of maintaining a constant internal environment is called __________.
True or False: Brown adipose tissue helps generate heat in newborns and some adults.
True or False: Fever is a controlled increase in body temperature as a defense mechanism against infection.
True or False: Sweating is a mechanism used by the body to cool itself down.
True or False: The body can only lose heat through sweating.
