Circulatory
The circulatory system mainly includes these 3 vessels
arteries, veins, and cappilaries
Liquid waste that is 95% water
urine
3rd inner layer of skin?
hypodermis
Hollow, muscular sac that stores urine until it is relased.
urinary bladder
in which layer located blood vessels?
dermis
Two tubes leading from the kidneys to the bladder
ureters
The outermost layer of skin ?
Epidermis
produce oil?
sebaceous gland
Tube leading from the urinary bladder to the outside.
urethra
name three functions of skin?
protecting, sense, insulating, waterproof...