No sperm isn't impacting your muscle development.
Stupid, stupid person....what makes contact with the egg cell: the sperm cell or the muscle cell? Seriously, use your head.
By working out. The more you pump iron and use those muscles through resistance training the more muscle you will have. If you're looking for lean muscle do lower resistance for longer.
The heart is a muscle.
HI. you can use regular pump gas, as you already know. But people who drag race muscle cars sometimes use stroker engines....which can run on methane...or alchohol.
The Heart
Skeletal muscle cells,cardiac muscle cells,sperm cells
muscle,organ,pump
Cardiac
Ca2+
The heart is made up of muscle tissue (cardiac muscle). The muscle tissue contracts to pump blood.
The heart