Lactic acid is produced mostly during what phase

How many teeth on primary dentition

Minute vessels that collect blood from the capillaries and join to form veins are: venoles venules viscera venoids

Mucous membranes.. a. cover or line external surface of body. b. line internal body surfaces that are in contact with the environment. c. produce antibodies to combat infection. d. secrete sweat, which has antibacterial enzymes.