Explanation of the terms: Fertilization, implantation, placenta, gestation and parturition
Identical and fraternal twins: meaning and differences only.
Rewrite the terms in the correct order so as to be in a logical sequence:
Implantation → Ovulation → child birth → gestation →fertilization.
Give scientific reasons: When an ovum gets fertilized, menstrual cycle stops temporarily in a woman.
The site of maturation of human sperms is the
A. Seminiferous tubule
B. Interstitial cells
D. Prostate gland
The diagram shown below is the longitudinal section of a testis of man. Study it carefully and answer the questions that follow
(i) Label the parts numbered 1 to 3 in the diagram.
(ii) In which part of the testis are the sperms produced?
(iii) State the functions of the parts labelled 1 and 3 in the diagram.