Number 3. The cell membrane forms the outer boundary of the cell
Answer:
Ozone
Explanation:
A molecule contains at least two different types of elements, but ozone only contains one
Answer: Synapse connects neurons and neurotransmitters are the chemicals that help in the communication of neurons.
The given statements can be completed as-
The synapse connects the axon of one neuron with the dendrite of another neuron to relay messages.
The cells release chemicals known as neurotransmitters ( such as acetylcholine) into the synaptic gaps to communicate with one another.
Neurotransmitter are the chemical messengers that carry chemical signal to the target neuron where it gets converted into electrical impulses. Synapse is a place or gap between the axon terminal of one neuron and the dendrite of another neuron.
<span>C.by introducing female hormones that prevent the ovaries from releasing eggs</span>
