are substances entering cells that activate by binding to an enzyme molecule with an inactive enzyme

are substances in the cell that activate the inactive substrate

may change the structure of the active center

are substances found in the cell that inactivate the active enzyme

are substances found only in the nucleus that inactivate the active enzyme

are substances found in the cell that activate by binding to an enzyme molecule with an inactive enzyme

are substances in the cell that inactivate the active substrate

are substances that change the concentration of the substrate

freely

by articulation

by periosteum

by bone marrow

by epithelium

continuously

by joint grease

firmly

into the cortex of the parietal lobe

into the temporal lobe

into the head lobe

into the cortex of the occipitial lobe

into the cortex of parietal lobe

into the cortex of temporal lobe

into the cortex of the frontal lobe

into the frontal lobe

lower spinal cord roots

posterior spinal cord roots

anterior and posterior spinal cord roots

spinal canal

central spinal cord roots

anterior spinal cord roots

upper spinal cord roots

central spinal nerve

skeleton of the head, chest and pelvis

two

four

spine, hip joint and skeleton of limb

spine, chest, pelvis and limbs

more

three

skeleton of the head, spine with ribs and sternum, skeleton of limbs

filling of ventricles with blood

cardiac inactivity

phase of heart activity

blood pressing by contraction of the heart muscle

filling of the atria with the blood

high heart rate

filling of the heart with blood

part of the heart cycle

excitatory

backup

storage

messenger

empirical

information

support

parent

liver

pancreas

stomach

spleen

small intestine

gall-bladder

large intestine

duodenum