Implantation in human beings Practice exercise 3

 Describe two changes that occur in the uterus to prepare for implantation.  (2 marks)

 Describe two changes that occur in the uterus to prepare for implantation.  (2 marks)

 Describe two changes that occur in the uterus to prepare for implantation.  (2 marks)

The diagram below shows part of the female reproductive system. (a)Name the parts labeled A, B and C.  (2 marks) (b)Name the process taking place. (1 mark) (c)Explain why the process shown above cannot take place if fertilization does not occur.(2 marks)

The diagram below shows part of the female reproductive system. (a)Name the parts labeled A, B and C.  (2 marks) (b)Name the process taking place. (1 mark) (c)Explain why the process shown above cannot take place if fertilization does not occur.(2 marks)

The diagram below shows part of the female reproductive system. (a)Name the process taking place at A. (1 mark) (b)Explain why the process shown above cannot take place if fertilization does not occur.(2 marks)

The diagram below shows part of the female reproductive system. (a)Name the process taking place at A. (1 mark) (b)Explain why the process shown above cannot take place if fertilization does not occur.(2 marks)

The diagram below shows part of the female reproductive system. (a)Name the process taking place at 3. (1 mark) (b)Explain why the process shown above cannot take place if fertilization does not occur.(2 marks)

The diagram below shows part of the female reproductive system. (a)Name the process taking place at 3. (1 mark) (b)Explain why the process shown above cannot take place if fertilization does not occur.(2 marks)

The diagram below shows part of the female reproductive system. (a)Name the process taking place at 3. (1 mark) (b)Explain why the process shown above cannot take place if fertilization does not occur.(2 marks)

Explain the sequence of events from fertilization to implantation in human beings, and state what happens to the uterine lining if implantation does not occur.  (4 marks)

Explain the sequence of events from fertilization to implantation in human beings, and state what happens to the uterine lining if implantation does not occur.  (4 marks)

Explain the sequence of events from fertilization to implantation in human beings, and state what happens to the uterine lining if implantation does not occur.  (4 marks)

Describe what happens to the fertilized egg during implantation and state what would happen if implantation fails. (2 marks)

Describe what happens to the fertilized egg during implantation and state what would happen if implantation fails. (2 marks)

Describe what happens to the fertilized egg during implantation and state what would happen if implantation fails. (2 marks)

Explain why implantation is important in human reproduction.  (1 mark)

Explain why implantation is important in human reproduction.  (1 mark)

Explain why implantation is important in human reproduction.  (1 mark)

A woman from Kisumu had fertilization occur, but a week later, she experiences light bleeding. Her doctor confirms that the embryo has attached to her uterus. Explain why light bleeding might occur during this stage.  (1 mark)

A woman from Kisumu had fertilization occur, but a week later, she experiences light bleeding. Her doctor confirms that the embryo has attached to her uterus. Explain why light bleeding might occur during this stage.  (1 mark)

During a hospital check in Nairobi, a patient learns that fertilization occurred, but the embryo is not visible in the uterus after two weeks.  Explain why the embryo is not seen and what this might mean for implantation.  (2 marks)

During a hospital check in Nairobi, a patient learns that fertilization occurred, but the embryo is not visible in the uterus after two weeks.  Explain why the embryo is not seen and what this might mean for implantation.  (2 marks)

During a hospital check in Nairobi, a patient learns that fertilization occurred, but the embryo is not visible in the uterus after two weeks.  Explain why the embryo is not seen and what this might mean for implantation.  (2 marks)

A science teacher in Eldoret asks pupils to imagine a situation where implantation occurs, but the uterine lining is weak. Explain two possible risks to the pregnancy.  (2 marks)

A science teacher in Eldoret asks pupils to imagine a situation where implantation occurs, but the uterine lining is weak. Explain two possible risks to the pregnancy.  (2 marks)

A science teacher in Eldoret asks pupils to imagine a situation where implantation occurs, but the uterine lining is weak. Explain two possible risks to the pregnancy.  (2 marks)

A couple in Nakuru is trying to conceive. Fertilization happens, but every month the embryo fails to attach to the uterus. Explain why pregnancy does not continue in such cases and suggest one biological reason for repeated implantation failure.  (2 marks)

A couple in Nakuru is trying to conceive. Fertilization happens, but every month the embryo fails to attach to the uterus. Explain why pregnancy does not continue in such cases and suggest one biological reason for repeated implantation failure.  (2 marks)

A couple in Nakuru is trying to conceive. Fertilization happens, but every month the embryo fails to attach to the uterus. Explain why pregnancy does not continue in such cases and suggest one biological reason for repeated implantation failure.  (2 marks)

A couple in Nakuru is trying to conceive. Fertilization happens, but every month the embryo fails to attach to the uterus. Explain why pregnancy does not continue in such cases and suggest one biological reason for repeated implantation failure.  (2 marks)

The diagram below shows a fertilized egg successfully attached to the wall of the uterus, and small blood vessels are beginning to form around it. a) Identify the process taking place at the attachment site. (1 mark)b) Explain how the formation of blood vessels helps in this stage of pregnancy. (1 mark)

The diagram below shows a fertilized egg successfully attached to the wall of the uterus, and small blood vessels are beginning to form around it. a) Identify the process taking place at the attachment site. (1 mark)b) Explain how the formation of blood vessels helps in this stage of pregnancy. (1 mark)

The diagram below shows a fertilized egg successfully attached to the wall of the uterus, and small blood vessels are beginning to form around it. a) Identify the process taking place at the attachment site. (1 mark)b) Explain how the formation of blood vessels helps in this stage of pregnancy. (1 mark)

The diagram below shows a fertilized egg successfully attached to the wall of the uterus, and small blood vessels are beginning to form around it. a) Identify the process taking place at the attachment site. (1 mark)b) Explain how the formation of blood vessels helps in this stage of pregnancy. (1 mark)