Biology
Write important functions of the following :
(a) Inguinal canal
(b) Testis
(c) Ovary
(d) Oviduct
(e) Uterus
Answer
(a) Inguinal canal allows the descent of testes into scrotal sac.
(b) Testis produce and store sperms and also secrete testosterone hormone.
(c) Ovaries produce the egg cells, called the ova. The corpus luteum in the ovary secretes two hormones — Oestrogen and Progesterone.
(d) Oviducts (Fallopian tubes) carry the released ovum from the ovary to the uterus. Fertilisation also occurs in the Oviduct.
(e) The uterus is responsible for nurturing and housing a developing foetus during pregnancy.
Related Questions
Complete the following table by writing the name of the structure or the function of the given structure:
Structure Function (1) Corpus luteum 1. …………… (2)…………… 2. Produces male gametes in mass (3)Leydig cells 3. …………… (4)…………… 4. Stores the sperms until they mature and become mobile (5)Umbilical cord 5. …………… (6)Fallopian tube 6. …………… Given below are the names of certain stages/substances related to reproduction and found in human body. Answer the questions related to them.
(a) Foetus
- Where is it contained?
- How does it differ from embryo?
(b) Hyaluronidase
- Is it an enzyme or simply a protein?
- What is its function?
(c) Morula
- What is this stage?
- Name the stage which comes next to it.
(d) Amniotic fluid
- Where is it found?
- What are its functions?
(e) Placenta
- What are the two sources that form placenta?
- Name any two main substances which pass from foetus to mother through placenta.
- Name any two hormones it produces.
(f) Implantation
- The development stage that undergoes this process.
- The approximate time after fertilization, when it occurs.
Write the specific location of each of the following :
(a) Seminal vesicle
(b) Uterus
(c) Placenta
(d) Acrosome
(e) Vagina
Define the following terms:
(a) Reproduction
(b) Hernia
(c) Ovulation
(d) Puberty
(e) Fertilization
(f) Hymen