Homeostasis
Biology ⇒ Human Biology
Homeostasis starts at 8 and continues till grade 12.
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See sample questions for grade 10
A person eats a large meal high in sugar. Describe the sequence of events that occur to maintain blood glucose homeostasis.
A person is exposed to cold weather. Describe two physiological responses that help maintain their body temperature.
Describe how the body responds to an increase in blood CO₂ levels.
Describe the role of the kidneys in homeostasis.
Describe what happens to blood vessels in the skin when the body is too hot.
A person eats a large meal high in sugar. Describe the sequence of events that occur to maintain blood glucose homeostasis.
A person is exposed to cold weather. Describe two physiological responses that help maintain their body temperature.
A person with diabetes insipidus produces very little antidiuretic hormone (ADH). Predict how this condition affects their urine output and explain why.
Which hormone lowers blood glucose levels? (1) Glucagon (2) Insulin (3) Adrenaline (4) Thyroxine
Which of the following best describes positive feedback? (1) A process that reverses a change (2) A process that amplifies a change (3) A process that maintains stability (4) A process that stops a change
Which of the following best describes the role of effectors in homeostasis? (1) Detect changes (2) Send signals (3) Carry out responses (4) Store information
Which of the following is a component of a negative feedback system? (1) Effector (2) Amplifier (3) Accelerator (4) Producer
Fill in the blank: The __________ gland releases hormones that help regulate metabolism and body temperature.
Fill in the blank: The __________ system and the endocrine system work together to maintain homeostasis.
Fill in the blank: The maintenance of a constant internal body temperature is called __________.
Fill in the blank: The process by which the body maintains a constant internal water balance is called __________.
True or False: Homeostasis can be disrupted by disease or injury.
True or False: Homeostasis involves only chemical processes, not physical processes.
True or False: Homeostasis is only important for humans, not for other living organisms.
True or False: Homeostasis only involves the nervous system.
