Science - 3rd Quarter Reviewer

TESTES

________ are the two oval bodies consisting of fine tubules enclosed in a tough fibrous sheath.

SCROTUM

hung in a body or pouch called the ________

seminiferous tubules

These tubules are called ________ that can produce sperm.

EPIDIDYMIS

The tubules empty into a mass of tubes called ________, a temporary storage place for sperm.

testosterone

The minute spaces between the seminiferous tubules are filled with cells that produce the ________.

Spermatogenesis

________ is the production of sperm from the primordial germ cells in the seminiferous tubules.

VAS DEFERENS

sperm travel through another tube, called the ________ , which receives them, carries them up and delivers them into the urethra.

Vasectomy

________ is an elective surgical procedure for male sterilization or permanent contraception.

SEMINAL VESICLE

a side pouch, the ________ , secretes a fluid that makes up most of the components of the semen.

PROSTATE GLAND

The ________ produces a thin, watery alkaline secretion that mixes with the sperm and other secretions to form the semen.

sphincter

During sexual excitement or orgasm, semen pumps out through the urethra wherein there is a ________ (muscle) that blocks the urine.

BULBOURETHRAL OR COWPER’S GLAND

________ can secrete a thick and clear mucus that lubricates and neutralizes any traces of acidic urine in the urethra.

URETHRA

________ carries sperm and urine out of the body.

PENIS

________ is a mass of erectile tissue (blood spaces surrounded a fibrous case) arranged in three columns.

foreskin or prepuce

the ________, w/c covers the sensitive head of the penis.

Spermatozoa

sperm cell is also known as ________

HEAD

The ________ is a flattened, oval-shaped part

TAIL

When the sperm penetrates an ovum during fertilization, the ________ separates from the rest of the sperm.

zygote

________ is fertilized egg cell that results from the union of ovum and sperm

Acrosome

________ contains enzymes that break down the outer membrane of an egg cell, allowing the sperm to fertilize the egg.

oogenesis

production of egg cells is called ________

RECEIVE THE SPERM CELLS

Second function of female reproductive system

PROVIDE NUTRIENTS for embryo

Third function of female reproductive system

PROMOTE THE DEVELOPMENT OF SECONDARY SEX CHARACTERISTICS

Fourth function of female reproductive system

Ovaries

________ are almond shaped and located on each side of the pelvic cavity.

Estrogen

________ is responsible for high- pitched voice, the absence of beard, development of breasts, widening of pelvis and ripening of egg.

FALLOPIAN TUBES

________ are paired, tubular and muscular organs that run from the uterus towards the ovary. “Site of fertilization”

Ectopic pregnancy

________ occurs when a fertilized egg implants and grows in a fallopian tube.

Tubal ligation

________ is a surgical procedure for female sterilization in which the fallopian tubes are permanently blocked, clipped or removed.

UTERUS

The ________ is a pear- shaped mass of solid muscles w /a small, flat, central cavity. “Site of implantation”.

CERVIX

________ is the small end structure of the uterus and dips downward onto the top of the vagina.

VAGINA

The ________ is the **birth canal** leading from the uterus to the external opening of the reproductive tract.

BREASTS

The ________ are essentially mixing factories that absorb water, sugar and other substances from the blood and mix them together to make milk.

NIPPLE

The ________ is an erectile structure having 25 or more small openings

AREOLA

surrounded by a darkened area called ________

passageway of eggs

It serves as a(n) ________ from the ovary to the uterus.

EPIDIDYMIS

The tubules empty into a mass of tubes along the sides of the testes called ________, a temporary storage place for sperm.

sexual excitement

During ________, much blood is pumped into the erectile tissue at the same time that the outflow through the veins is partially blocked.