The ion necessary for muscle contraction is?
sodium
calcium
potassium
chloride
Mast cells of connective tissue contain
vasopressin and relaxin
heparin and histamine
heparin and calcitonin
serotonin and melanin.
Lymph differ from blood in possessing
only WBC
more RBC and WBC
more RBC and few WBC
more WBC and few RBC
Which of the following cell is not found in connective tissue?
Myoblasts
Osteoblasts
Fibroblasts
Chondroblasts
A piece of bone such as femur of frog if kept in dilute HCI for about a week will
assume black colour
shrink in size
turn flexible
crack into pieces
