AQA AS BIOLOGY PAPER 2 STUDY GUIDE
SUMMARY WITH SOLVED QUESTIONS FOR
EXAM SUCCESS 2026
• keeping conditions inside your body. Answer: What is homeostasis ?
• keeps the conditions in your body steady. Answer: What does the
control system ?
• the control system decreases the level. Answer: What happens in the
blood glucose level is too high ?
• the control system increases the level. Answer: What happens in the
blood glucose level is too low ?
• that humans react to their surroundings and coordinate their behaviour.
Answer: What does the nervous system mean ?
• brain and spinal cord. Answer: What does the Central Nervous System
(CNS) consist of ?
• the body by sensory neurones and motor neutrons. Answer: What is the
CNS connected to ?
,• These carry information as electrical impulses from the receptor to the
CNS. Answer: What is are Sensory Neurones ?
• These carry electrical impulses from the CNS to effectors. Answer:
What are Motor Neutrons ?
• Cells that detect stimuli. Answer: What are Receptors ?
• Receptor in the ear detect sound. Answer: Examples of Receptors ?
• Electrical impulses and bring about to a change. Answer: What does
Effectors responded to ?
• Muscles and glands. Answer: Examples of Effectors ?
• Stimulus - Receptor - Sensory Neurone - CNS - Motor Neurone -
Effector - Response. Answer: What is the process of CNS ?
• Is where two neurones join together. Answer: What is a Synapses ?
• an automatic responses to prevent injury. Answer: What are Reflexes ?
• Are chemical messengers sent in the blood. Answer: What are
hormones ?
, • Master Gland. Answer: What is another name for the Pituitary Gland
• many hormones that regulate body conditions. Answer: What does the
Pituitary Gland produce ?
• oestrogen. Answer: What do Ovaries produce ?
• Menstrual cycle. Answer: What is oestrogen involved in ?
• testosterone. Answer: What do Testes produce ?
• puberty and sperm production in males. Answer: What do Testes
control ?
• Thyroxine Answer: What does Thyroid produce ?
• Rate of metabolism , heart rate and temperature Answer: What is
Thyroxine involved in ?
• Adrenaline Answer: What does the Adrenal Gland produce
• Prepare the body for a 'fight or flight ' response Answer: What is
Adrenaline involved in ?
SUMMARY WITH SOLVED QUESTIONS FOR
EXAM SUCCESS 2026
• keeping conditions inside your body. Answer: What is homeostasis ?
• keeps the conditions in your body steady. Answer: What does the
control system ?
• the control system decreases the level. Answer: What happens in the
blood glucose level is too high ?
• the control system increases the level. Answer: What happens in the
blood glucose level is too low ?
• that humans react to their surroundings and coordinate their behaviour.
Answer: What does the nervous system mean ?
• brain and spinal cord. Answer: What does the Central Nervous System
(CNS) consist of ?
• the body by sensory neurones and motor neutrons. Answer: What is the
CNS connected to ?
,• These carry information as electrical impulses from the receptor to the
CNS. Answer: What is are Sensory Neurones ?
• These carry electrical impulses from the CNS to effectors. Answer:
What are Motor Neutrons ?
• Cells that detect stimuli. Answer: What are Receptors ?
• Receptor in the ear detect sound. Answer: Examples of Receptors ?
• Electrical impulses and bring about to a change. Answer: What does
Effectors responded to ?
• Muscles and glands. Answer: Examples of Effectors ?
• Stimulus - Receptor - Sensory Neurone - CNS - Motor Neurone -
Effector - Response. Answer: What is the process of CNS ?
• Is where two neurones join together. Answer: What is a Synapses ?
• an automatic responses to prevent injury. Answer: What are Reflexes ?
• Are chemical messengers sent in the blood. Answer: What are
hormones ?
, • Master Gland. Answer: What is another name for the Pituitary Gland
• many hormones that regulate body conditions. Answer: What does the
Pituitary Gland produce ?
• oestrogen. Answer: What do Ovaries produce ?
• Menstrual cycle. Answer: What is oestrogen involved in ?
• testosterone. Answer: What do Testes produce ?
• puberty and sperm production in males. Answer: What do Testes
control ?
• Thyroxine Answer: What does Thyroid produce ?
• Rate of metabolism , heart rate and temperature Answer: What is
Thyroxine involved in ?
• Adrenaline Answer: What does the Adrenal Gland produce
• Prepare the body for a 'fight or flight ' response Answer: What is
Adrenaline involved in ?
