Notes on human reproductive system
Answers
Answer:
reproduction in man
Explanation:
the male reproductive organs are called testes. They started producing sperms at puberty . puberty is the state at which a person attains sexual maturity or becomes capable of reproduction . the testes lie in a sac, called the scrotal sac. best travel showing muscular tube called the vacdefence , into the urethra which lies inside the penis .
the female reproductive system
the ovaries are the female reproductive organs live in the lower part of abdominal cavity. they start producing OVA when the girl reaches puberty
Answer:
life
➢ Preservation of species
➢ Replacement of dead individuals
➢ Role in evolution
Types of reproduction
i) Asexual reproduction:-It is a process which takes place without the
formation of gametes or reproductive cell. It can be observed only in the
lower animals such as Amoeba, Euglena, Hydra and sponges.
ii) Sexual reproduction: - It is the process which involves the formation and
fusion of two types of reproductive cells or gametes. Both male and female
individuals take part in this type of reproduction.
Asexual reproduction
Asexual reproduction is a type of reproduction which does not involve the fusion
of gametes. The offspring that arise by asexual reproduction are genetically
identical to their parent.
Characteristics of asexual reproduction
➢ It is uniparental i.e. only a single parent is involved in reproduction.
➢ It does not involve fusion of gametes.
➢ It is a method of rapid multiplication.
➢ Daughter organisms are geneticall