Please check the examination details below before entering your candidate information
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel International GCSE (9–1)
Thursday 8 May 2025
Afternoon (Time: 1 hour 45 minutes) Paper
reference 4HB1/01
Human Biology
UNIT: 4HB1
Paper: 01
You must have: Total Marks
Ruler
Calculator
Instructions
•• Use black ink or ball-point pen.
If pencil is used for diagrams/sketches/graphs it must be dark (HB or B).
• Fill in the boxes at the top of this page with your name,
centre number and candidate number.
•• Answer all questions.
Answer the questions in the spaces provided
– there may be more space than you need.
• Show all the steps in any calculations and state the units.
Information
•• The total mark for this paper is 90.
The marks for each question are shown in brackets
– use this as a guide as to how much time to spend on each question.
• Candidates may use a calculator.
Advice
•• Read each question carefully before you start to answer it.
Write your answers neatly and in good English.
•• Try to answer every question.
Check your answers if you have time at the end.
Turn over
P78768A
©2025 Pearson Education Ltd.
Y:1/1/1/1/1
*P78768A0120*
,DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
*P78768A0220*
BLANK PAGE
2
, Answer ALL questions.
1 The sentences below are about muscles and movement of the arm.
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
Complete the sentences by using words from the box.
(6)
antagonistic ball and socket biceps cartilage
complementary fixed hinge ligament
tendons triceps
To cause the movement of a joint, muscles work in pairs, known as
. . .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. pairs of muscles.
The elbow is a type of synovial joint known as a .............................................................................................
joint.
This joint allows the forearm to be raised when the .............................................................................................
muscle contracts, and to be straightened when the .............................................................................................
muscle contracts.
Both of these muscles are connected to bones by ............................................................................................. .
Smooth movement of the joint is possible because of the presence of
. . .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. covering the ends of the bones.
(Total for Question 1 = 6 marks)
3
*P78768A0320* Turn over
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel International GCSE (9–1)
Thursday 8 May 2025
Afternoon (Time: 1 hour 45 minutes) Paper
reference 4HB1/01
Human Biology
UNIT: 4HB1
Paper: 01
You must have: Total Marks
Ruler
Calculator
Instructions
•• Use black ink or ball-point pen.
If pencil is used for diagrams/sketches/graphs it must be dark (HB or B).
• Fill in the boxes at the top of this page with your name,
centre number and candidate number.
•• Answer all questions.
Answer the questions in the spaces provided
– there may be more space than you need.
• Show all the steps in any calculations and state the units.
Information
•• The total mark for this paper is 90.
The marks for each question are shown in brackets
– use this as a guide as to how much time to spend on each question.
• Candidates may use a calculator.
Advice
•• Read each question carefully before you start to answer it.
Write your answers neatly and in good English.
•• Try to answer every question.
Check your answers if you have time at the end.
Turn over
P78768A
©2025 Pearson Education Ltd.
Y:1/1/1/1/1
*P78768A0120*
,DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
*P78768A0220*
BLANK PAGE
2
, Answer ALL questions.
1 The sentences below are about muscles and movement of the arm.
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
Complete the sentences by using words from the box.
(6)
antagonistic ball and socket biceps cartilage
complementary fixed hinge ligament
tendons triceps
To cause the movement of a joint, muscles work in pairs, known as
. . .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. pairs of muscles.
The elbow is a type of synovial joint known as a .............................................................................................
joint.
This joint allows the forearm to be raised when the .............................................................................................
muscle contracts, and to be straightened when the .............................................................................................
muscle contracts.
Both of these muscles are connected to bones by ............................................................................................. .
Smooth movement of the joint is possible because of the presence of
. . .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. covering the ends of the bones.
(Total for Question 1 = 6 marks)
3
*P78768A0320* Turn over
