B3 Organism level systems

Practice questions on Organism level systems

• A person is extremely frightened after nearly being involved in a road accident. Explain h… (4 marks, Explain)
• A person eats a large meal containing a high amount of carbohydrates. Explain how the endo… (4 marks, Explain)
• A runner finishes a long-distance race on a hot day. Their body temperature rises above th… (4 marks, Describe)
• Explain how adrenaline prepares the body for a fight or flight response. (4 marks, Explain)
• Explain how the endocrine system responds when blood glucose concentration falls below the… (4 marks, Explain)
• Explain how a nerve impulse is transmitted from a receptor to an effector during a volunta… (4 marks, Explain)
• Explain how a reflex arc allows the body to respond rapidly to a harmful stimulus, naming … (4 marks, Explain)
• Describe how the nervous system coordinates a response when a person touches a very hot ob… (4 marks, Describe)
• Explain how the nervous system and endocrine system differ in the way they send informatio… (4 marks, Explain)
• Explain the roles of the sensory neurone, relay neurone, and motor neurone in transmitting… (4 marks, Explain)
• Explain how the endocrine system controls blood glucose concentration when a student eats … (4 marks, Explain)
• Explain how the endocrine system uses negative feedback to return blood glucose concentrat… (4 marks, Explain)
• Explain how the endocrine system controls the menstrual cycle using FSH, LH and oestrogen. (4 marks, Explain)
• Explain how the body uses a negative feedback system to restore normal blood glucose level… (4 marks, Explain)
• A person has not drunk any water for several hours and their blood water concentration has… (4 marks, Explain)