What is semen?
a) an exocrine gland near the opening of the urethra
b) the testes located on the outside of the male body
c) a combination of sperm and other reproductive fluids
d) a production of fluid that gives the sperm nourishment

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❖ I believe the correct answer choice would be C) a combination of sperm and other reproductive fluids.

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The correct answer is option C) a combination of sperm and other reproductive fluids.

Explanation:

Semen is a mixture of sperm and fluids from the accessory sex glands that allows fertilization of an egg to achieve reproduction.

There are two types of hormones that work together to stimulate the testicles to produce sperm, and they are testosterone and follicle-stimulating hormone, producing about 300 million of sperm every day.

These sperms are stored in the epididymis, which is located at the top and back of each testicle. This sperm is then transported to the penis through a duct called the vas deferens and joins other ducts during ejaculation. Upon exiting, the sperm will have been mixed with liquids that it collected from the accessory sex glands, thus producing semen through ejaculation.

how do heroes resolve conflicts in beowulf?

question 15 options:

they sue each other in court

they get a mediator

the seek counseling

they get even or take revenge

explanation:

cells use diffusion to get substances in and out of themselves. that diffusion will occur across the cell membrane or the outer covering of the cell. because we are talking about the surface of the cell, surface area and volume are  important factors here. as a cell increases in size, its surface area and volume increase as well.  we call that the surface area to volume ratio (sa: vol).  but the catch is that  volume increases at a greater rate than surface  area. in other words, as a cell gets bigger, the sa: vol gets smaller. so a really small cell like bacteria is mostly cell membrane (surface) with very little contents (volume). a really big cell like an egg, is mostly insides with a super thin membrane. so what ends up happening is that the cell cannot efficiently diffuse all of the stuff it needs in/out to survive. therefore cell size is limited to about 100mm. so how do we make organisms bigger than 100mm? cells divide! by dividing and becoming multicellular, organisms are able to grow!   check out the diagrams i attached to see the effect of sa: vol. i hope this ! good luck!