Pls : (
which lettered points would you use to show zoe's voluntary action of choosing to move her leg out of the way? what
should the labels be?

Because this action is a voluntary action, it starts in the brain. Here are the steps:

D: Zoe chooses to move her leg into a different position.

B: Signal travels down spinal cord to skeletal muscle.

C: Zoe uses muscle to move leg out of the way.

Point A is not used in this sequence of steps.

Explanation:

answer: the blood-brain barrier is a layer of specialized membranes and cell processes designed to keep undesirable substances from passing from the bloodstream into the precious tissues of the brain. while the blood-brain barrier does keep most bad things out of the central nervous system, it is not impermeable.

explanation: