IGCSE Homeostasis and control of temperature

Which of the following is a response to a decrease in body temperature?

• Sweating

• Vasodilation

• Decrease in respiration

• Vasoconstriction

What term describes the rapid contraction and relaxation of muscles to generate heat?

(a)  

Identify the structure that detects a change in the temperature of the blood

• Cone cell

• Synapse

• Mechanoreceptor

• Thermoreceptor

Where in the body are the structures that detect a change in the temperature of the blood?

• Skin

• Brain

• Liver

• Pancreas

State the term that involves keeping the internal environment of an organism constant

(a)  

Identify the type of feedback that counteracts a change in body temperature

(a)  

Which of the following is a response to an increase in body temperature?

• Sweating

• Vasoconstriction

• Shivering

• Increase in respiration

Which process involves blood vessels supplying the skin with blood getting wider?

• Synaptic transmission

• Vasoconstriction

• Anaerobic respration

• Vasodilation

What is tge liquid part of sweat that evaporates when heated?

(a)  

What is normal body temperature (degrees celsius)?

• 27

• 36

• 37

• 45