Answer:
Vas deferens: The vas deferens is a long, muscular tube that travels from the epididymis into the pelvic cavity, to just behind the bladder. The vas deferens transports mature sperm to the urethra in preparation for ejaculation.
Explanation:
Answer:
I thing it's a or b........
In the 1870s, unions began to investigate facory conditions. Union workers together with journalists uncovered how bad the conditions actually are. We today know that the conditions at the time were abnormal considered from today's standpoint.
Negative-feedback: Heart rate goes down
Positive-feedback: Hear rate goes up