D - The human nervous system includes billions of individual neurons that assist with internal communication.
An estimate is that the human brain contains around 80 billions individual neurons with A LOT more synapses - the points of contact where information gets transmitted. Neurons are responsible for our internal communication. Every motoric move you make, every sensory stimuli your receive through your eyes, ears, or through your tongue, every thought you make, everything is a consequence of an elaborate dance of continuously active neurons and the different connections between them that get activated again and again.
I think that the best way from him to stay safe, health, and a place to stay active after school would be either the school gym or a gym in general.
Answer: Second degree burn.
Explanation: A second-degree burns (partial thickness burns) affect the epidermis and the dermis (lower layer of skin).
Answer: Pumps more blood than it used to through the body with each beat
Explanation:
Aerobic activities such as jogging and aerobic exercises are helping in strengthening the heart so the heart pumps more blood than it used to because the heart in that way is becoming more efficient.
These activities are good and they are helping in heart disease problems and they can improve and help people in preventing heart diseases.
Heart diseases are referring to a weak heart and with aerobic activities, people can strenghthen the heart so it works better.
