FreeScienceLessons · AQA BiologyThe Endocrine System
Key facts
Key glands and hormones — fill in the table
Gland
Hormone(s) & function
Pituitary gland
Thyroid
Adrenal glands
Pancreas
Ovaries
Testes
Hormones vs nervous system — fill in the table
System
Detail
Hormones
Nervous system
Similarity
Adrenaline — fight or flight — fill in the table
Aspect
Detail
Released by
Effects
Purpose
Exam questions — 3 questions · 9 marks total
⚡ This module includes extended questions (4–6 marks). These are where most marks are lost. Read the hint carefully. Write in linked sentences. The AI will identify exactly which mark scheme points you missed.
1 markHormone transportAQA 8461 style
How are hormones transported around the body?
A Along neurons as electrical impulses
B In the blood to target organs
C Through the lymphatic system
D By diffusion through cells
1 markAdrenaline effectsAQA Jun 2024 P2 style
Which of the following is an effect of adrenaline?
A Decreases heart rate to save energy
B Increases heart rate and blood flow to muscles
C Lowers blood glucose concentration
D Reduces breathing rate
4 marksCompare nervous and hormonal controlAQA 8461 style
Compare how the nervous system and the hormonal system coordinate responses in the body. (4 marks)
Hint: Structure your answer as direct comparisons — speed, duration, how signal travels, specificity. Cover at least 3 differences.