sex rep human
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1
What is sexual reproduction?
The fusion of two haploid gametes to form a diploid zygote.
2
What is fertilisation?
The fusion of male and female gametes.
3
Where are sperm produced?
In the testes.
4
Where are eggs produced?
In the ovaries.
5
What process produces sperm?
Spermatogenesis.
6
What process produces eggs?
Oogenesis.
7
What is the male gamete?
The sperm cell.
8
What is the female gamete?
The egg cell or ovum.
9
What is the function of the testes?
To produce sperm and testosterone.
10
What is the function of the scrotum?
To keep testes cooler for sperm production.
11
What is the function of the vas deferens?
To carry sperm to the urethra.
12
What is the function of the prostate gland?
To add alkaline fluid to semen.
13
What is the function of the seminal vesicle?
To add nutrient-rich fluid to semen.
14
What is the function of the urethra?
To carry urine and semen out of the body.
15
What is the function of the penis?
To transfer sperm into the vagina.
16
What is the function of the epididymis?
To store and mature sperm.
17
What is the function of the ovaries?
To produce eggs and hormones.
18
What is the function of the fallopian tubes?
To carry the egg to the uterus.
19
What is the function of the uterus?
Site of embryo implantation and foetal development.
20
What is the function of the endometrium?
To nourish the embryo.
21
What is the function of the cervix?
To separate the uterus from the vagina.
22
What is the function of the vagina?
To receive sperm during intercourse.
23
What is meiosis?
Cell division producing four genetically different haploid cells.
24
What causes genetic variation in meiosis?
Crossing over and independent assortment.
25
What is independent assortment?
Random arrangement of homologous chromosomes.
26
What is crossing over?
Exchange of genetic material between homologous chromosomes.
27
What is a zygote?
A fertilised egg cell.
28
What is an embryo?
An early stage of development after fertilisation.
29
What is implantation?
Embedding of the embryo in the uterus lining.
30
What is the menstrual cycle?
A cycle preparing the body for pregnancy.
31
What is ovulation?
Release of an egg from the ovary.
32
What hormone stimulates ovulation?
Luteinising hormone (LH).
33
What hormone stimulates follicle development?
Follicle-stimulating hormone (FSH).
34
What hormone thickens the endometrium?
Oestrogen.
35
What hormone maintains the endometrium?
Progesterone.
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