seminiferous tubules
The atomic mass is composed of a combination of protons and neutrons.
A maritime polar air mass is composed of cold, moist air.
1- Undescended testis 2- Ectopic testis 3- Atrophic testis 4- Retractile testis 5- Surgically removed testis
In a male, the testis have several important roles. Probably the most important thing the testis do is make sperm, allowing us to reproduce and continue the species. Another thing the testis does is release testosterone which converts the androgynous physique of a child into the masculine one of a man, with a larger muscle mass. Testosterone is also one of the hormones that causes the changes of puberty and secondary sexual characteristics which signal to women that they are able to father children.
the other call for testis is testicle
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They are produced in testis. There are tubules in testis
The testis produce the male androgen testosterone.
Erythrocytes
Matter
The testis produce the male androgen testosterone.
Yes - all rocks are composed of matter and all matter has mass.