hbs semester 2

name structure G

• lens

• pupil

• optic nerve

• ciliary muscles

This insulating material forms a layer, around the axon of a neuron. It enables electrical signals to travel down the axon at higher speeds.

• neuron

• myelin sheath

• dendrite

• neurotransmitter

What is the function of the small intestine?

• to absorb water into the blood

• to absorb nutrients into the blood

• to absorb stomach acid into the blood

• to absorb enzymes into the blood

z

• axon terminal button

• neurotransmitters

• dendrite

• synapse

What is the correct order in which food passes through the digestive system?

• mouth>stomach>large intestine>small intestine

• esophagus>sm intestine>stomach>lg intestine

• stomach>sm intestine>esophagus>mouth

• mouth>esophagus>stomach>sm intestine>lg intestine

Which parts of the diagram is the small and large intestine?

• A~ small intestine

  E~ large intestine

• D~ small intestine

  E~ large intestine

• C~ large intestine

  B~ small intestine

• C~ large intestine

  B~ small intestine

• E~ small intestine

  D~ large intestine

A chemical produced by neurons that carries messages to other neurons

• myelin sheath

• neurotransmitter

• axon

• axon terminal

What type of Connective tissue is found at the ends of bones to reduce friction?

• cartilage

• dense connective tissue

• adipose tissue

• loose connective tissue

w

• axon terminal button

• neurotransmitters

• dendrite

• synapse

What generates a nerve impulse on the post-synaptic membrane?

• Calcium binding with a receptor site

• Potassium leaking into the post-synaptic membrane

• Neurotransmitter binding with receptor sites

• Neurotransmitter being removed from the synapse