Female gametes are called ova or egg cells, and male gametes are called sperm.
The fact or phenomenon of light, radio waves, being deflected in passing obliquely through the interface between one medium and another or through a medium of varying density
Mechanical energy turns into kinetic
Answer:
Prostatic urethra , Membranous urethra and Spongy urethra
Explanation:
The three main parts of male urethra are -
a) Prostatic urethra - it is the widest of all three parts and starts from the neck of the urinary bladder and crosses the prostate gland.
b) Membranous urethra- It is narrowest of all three parts and is surrounded by external urethral sphincter
c) Spongy urethra - On dilation it forms navicular fossa and extends till the external urethral orifice. Also known as penile
You can identify a mineral by its appearance and other properties. The color and luster describe the appearance of a mineral, and streak describes the color of the powdered mineral. Mohs Hardness Scale is used to compare the hardness of minerals
