good luck

what does the central nervous system contain

• brain, spinal cord

• nerves

• brain, nerves

• spinal cord, nevres

the reflex arc uses the brain

• true

• false

the part of the nervous system that senses changes is

the stuff that the synapse stores in its vesicles are called

which part of the synapse send neurotransmitters

• presynaptic membrane

• postsynaptic membrane

based on the image the stem is affected by?

• positive phototropism

• negative phototropism

• positive geotropism

• negative geotropism

the stuff in the tip of the shoot that helps the plants grow in the direction of the sun is called

how do the auxins move in the plant when there is light on one side

• the auxins will move towards the light

• the auxins will stay completely still

• the auxins will move down the stem

• the auxins will move away from the light

gas exchange happens exactly in the

• lugns

• bronchi

• bronchioles

• alveoli

deoxygenated blood travels from the heart to the lungs using the

• pulmonary artery

• pulmonary vein

• ventricles

• artery