Take for example - you touching something sharp and instantly moving your hand away.
Sensory neurons in your fingers detect the external stimuli of the sharp object and send a nerve impulse to the spinal cord (does not reach brain) and is sent back to a motor neurone - attached to an effector that moves the muscle and moves the hand away. This is a rapid reflex action and involuntary.
The 4 main points I’m not sure what u mean but if u refrase it
<span>The rat was taught that when you press the bar you receive food. When the food ran out the rat was still pressing the bar however it wasn't be awarded. The rat then saw that there was no outcome to pressing the button therefore found it to be pointless.</span>
Answer:
D.
Explanation:
The highlighted part of the male reproductive system is the urethra.
One of its major functions is to serve as a conduit for semen and sperm during sexual acts.
A is wrong. The testes manufacture sperm cells.
B is wrong. The prostate gland, the seminal vesicles, and the bulbourethral glands create the fluid in semen.
C is wrong. The epididymis stores sperm cells until they mature.
Answer:
A
Explanation:
The term was coined from the idea that the radioactive material would mix with the debris thrown in the air from the explosion.
