An incomplete digestive system has only one opening by which food goes in same opening where waste comes out. therefore, water goes in specialized cells called choanocytes to filter out tha food particles
gut
A) Only one opening: they expel undigested material through the mouth.
Peritoneal cavity
a simple low cost invitro method to study about absorption in intestine
when i had my first miscarriage the fetal sac came out in the toilet and it looked like a little veiny blood sac. it was really small almost like a bubble.
sac
Vesicle
Sac fungi get their name because of their asexual spore production, they produce their spores in pod/sac-like structures called asci.
The external sac-like structure of the male reproductive system is called the testes which reside in the scrotum.
The asci--the structure that produces the spores--looks like a sac.
your balls!
gago