The answer is the endogenous opiate.
The human body naturally produces its own opiates like substances and uses them as neurotransmitters. These substances include endorphins, enkephalins, and dynorphin, often collectively known as endogenous opioids. Endogenous opioids modulate our reactions to painful stimuli.
The year is based off of Earth’s revolution around the sun. 1 year is equal to the amount of time that it takes for Earth to revolve once around the sun.
Birds and mammals independently evolved four-chamber hearts
The answer is written on the pic I sent you with this
They are alike because the go throw the same prossece in each faze.
There is a diffrents because in meiosis there are 2 cells going throw mitosis
