4. 1. what type of tip will you find on a syringe meant
to hold a needle in place?
a. luer lock
b. reusabie
c. glass
d. slip-tip

What effect do stimulants, such as cocaine, have on the nervous system? o a. stimulants change the activity of neurotransmitters. o b. stimulants mimic hormones and influence moods. o o c. stimulant|mchange how sensory information is processed. d. stimulants decrease brain activity.

Brainliest. what are two not needed parts of the body?

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.