Q6. a neurotransmitter would have a greater chance of starting an action potential in a post-synaptic neuron by:

opening k+ channels in the post-synaptic membrane

causing a graded depolarization in the post-synaptic membrane

causing a graded hyperpolarization in the post-synaptic membrane

closing na+ channels in the post-synaptic membrane

the glands which are associated with each description is given below:

pancreas - is an endocrine and exocrine gland that secretes juices with enzymes for digestion. salivary glands- with protection and digestion in the mouth. liver- secretes bile for digestion.   lachrymal glands - secrete tears to moisten eyes and protect them from particles and infection.   sweat gland -regulates water, salt, and temperature. oil glands - to form a protective barrier on the skin.   goblet cells - secrete mucus for protection.