Corpus luteum in mammals occurs in:
Cervix is a part:
► Cervix: The cervix is the lowest part of the uterus. It’s lined with a smooth mucous membrane and connects the uterus to the vagina. Glands in the cervical lining usually produce a thick mucus. However, during ovulation, this becomes thinner to allow sperm to easily pass into the uterus.
► The cervix has three main parts:
1. Endocervix: This is the inner part of the cervix that leads to the uterus.
2. Cervical canal: The cervical canal links the uterus to the vagina.
3. Exocervix: The exocervix is the outer part of the cervix that protrudes into the vagina.
In which part of sperm are mitochondria present?
Mitochondria is present in the middle piece of sperm. It provides energy to sperm movement by producing energy rich compounds like ATP.
Acrosome is made up of:
The acrosome is the part on the head of the sperm. It releases acrosin & is located on the tip and it is made of chemicals to dissolve the membrane of the egg so that it can fertilize it It is formed with the help of golgi bodies / golgi apparatus.
Seminal plasma, the fluid part of semen is contributed by:
(i) Seminal vesicle
(iv) Bulbourethral gland
So, the correct answer is '(i), (ii) and (iv)'.