Male gamete that consists of cell membrane a cytoplasm and a haploid nucleus in the shape of a head (and acrosome), middle part and a tail

Female gamete, shape of an oval consists of a cell membrane, cytoplasm, jelly coating and a haploid nucleus

Situated at the tip of the spermatozoa, it contains enzymes to digests its way through the jelly coating of the ova.

Is the care a child receives after birth it involves breast feeding, the diet of the mother and whether the mother consumes drugs, alcohol or not.

Situated at the tip of the spermatozoa, it contains enzymes to digests its way through the jelly coating of the ova.

Is the care a child receives after birth it involves breast feeding, the diet of the mother and whether the mother consumes drugs, alcohol or not.

A structure with a large surface area for diffusion of oxygen and food molecules from the mother’s blood to the fetus and waste materials from the fetal blood to the mother ‘s.

Is a cord that connects the placenta to the fetus, allowing diffuse substances to pass from fetus to mother or iase versa

Is the time between fertilisation of the ovum and birth, which averages off at 9 months.

Is a membrane that surrounds the developing fetus, it contains amniotic fluid that prevents mechanical damage to be inflicted on the fetus.

The fusion of both male and female gametes after intercourse, which creates a zygote a fertilized egg cell

The ring of muscles which is situated at the opening of the uterus, which dilates during birth.

Is when the embryo embeds itself into the lining of the uterus

In terms of reproduction, it is when the males gamete combines with the cell membrane of the ova, allowing both haploid nuclei to merge creating a diploid nucleus

Peristalsis contractions

Wave of contractions that moves the egg through the oviduct to the the uterus, this is aided along with cilia beating a current.

Is the time during birth when the uterus contracts.

Aa hormone that stimulates the uterus to contract during birth, it is release due to increased pressure in the uterus

Is when the baby gains its mother's antibodies, which its unable to produce, through the blood and the breast milk of the mother

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IGCSEBioReproduction

Topics 15.1- 15.5

Question	Answer
Spermatozoa	Male gamete that consists of cell membrane a cytoplasm and a haploid nucleus in the shape of a head (and acrosome), middle part and a tail
Ova/Egg	Female gamete, shape of an oval consists of a cell membrane, cytoplasm, jelly coating and a haploid nucleus
Acrosome	Situated at the tip of the spermatozoa, it contains enzymes to digests its way through the jelly coating of the ova.
Ante-natal care	Is the care a child receives after birth it involves breast feeding, the diet of the mother and whether the mother consumes drugs, alcohol or not.
Acrosome	Situated at the tip of the spermatozoa, it contains enzymes to digests its way through the jelly coating of the ova.
Ante-natal care	Is the care a child receives after birth it involves breast feeding, the diet of the mother and whether the mother consumes drugs, alcohol or not.
Placenta	A structure with a large surface area for diffusion of oxygen and food molecules from the mother’s blood to the fetus and waste materials from the fetal blood to the mother ‘s.
Umbilical cord	Is a cord that connects the placenta to the fetus, allowing diffuse substances to pass from fetus to mother or iase versa
Gestation period	Is the time between fertilisation of the ovum and birth, which averages off at 9 months.
Amniotic sac	Is a membrane that surrounds the developing fetus, it contains amniotic fluid that prevents mechanical damage to be inflicted on the fetus.
Fertilisation	The fusion of both male and female gametes after intercourse, which creates a zygote a fertilized egg cell
Cervix	The ring of muscles which is situated at the opening of the uterus, which dilates during birth.
Implantation	Is when the embryo embeds itself into the lining of the uterus
Fusion	In terms of reproduction, it is when the males gamete combines with the cell membrane of the ova, allowing both haploid nuclei to merge creating a diploid nucleus
Peristalsis contractions	Wave of contractions that moves the egg through the oviduct to the the uterus, this is aided along with cilia beating a current.
Labour	Is the time during birth when the uterus contracts.
Oxytoxin	Aa hormone that stimulates the uterus to contract during birth, it is release due to increased pressure in the uterus
Passive Immunity	Is when the baby gains its mother's antibodies, which its unable to produce, through the blood and the breast milk of the mother

Created by: afarmer-vietnam

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