What happens to the nervous system when the dog runs up to and you get scared

The body responds by secreting the hormone adrenaline, which helps during the ‘fight or flight’ actions. In this case when adrenaline is secreted, your body responds by increased pumping of the heart as the heart is one of the target organs. This blood is sent to our muscle cells. The blood to the digestive system and skin is reduced due to contractions of small nerves in these organs and this blood is directed to our skeletal muscles. You also start breathing faster due to contraction of diaphragm and rib muscles.

The soviet union beat the us to the first successful launch, with the october 4, 1957, orbiting of sputnik 1, and later beat the us to have the first human in earth orbit, yuri gagarin, on april 12, 1961. the "race" peaked with the july 20, 1969, us landing of the first humans on the moon with apollo 11