they are diatoms
they are diatoms
silicon dioxide
chromatin
Mucous membranes.
Mucous membranes.
they are diatoms
It js a silica
silicon dioxide
glands secrete chemical messengers called leucocytes?
no! that is just not possible. corals are cnidarians. when the minute creatures called polyps die, they secrete a hard exoskeleton consisting of calciumcarbonate. they secrete it around them to form a hardened structure called corals. corals are basically dead and hardened polyps.
They are perfectly normal and called Montgomery Tubercles. Their job is the secrete oil to lubricate and protect the nipples.
They are perfectly normal and called Montgomery Tubercles. Their job is the secrete oil to lubricate and protect the nipples.
They are perfectly normal and called Montgomery Tubercles. Their job is the secrete oil to lubricate and protect the nipples.
adrenel medulla
earth
Endocrine glands
chromatin