Question

components of semen

• ______________cells
• nutrient fluid from the ______________(energy

for the sperm’s travel)

• fluid from the______________(prolongs life span of sperm)
• lubricating and neutralizing fluid from the ______________

(helps it glide out of the urethra)
sperm’s journey

• ______________ - process by which semen leaves the man’s body.
• sperm have a long tail that whips vigorously to assist in travel.
• between __ million and____ million sperm may be released in an

ejaculation.

• many will die on the travel to the egg.

male sexual concerns
the primary sex hormone in males is
__________

• ______________ - the inability

to maintain an erection.

• ______________ - spontaneous ejaculations that occur

during sleep. also referred to as “wet dreams.”

• ______________ - surgical removal of the foreskin from the penis.

review:
the journey of the sperm
(3)
vas deferens
(7) penis
urethra
(6)
(4)
seminal vesicle
(5)
prostate gland
(2)
epididymis
(1)
testis

Explanation:

1. Components of Semen
2. 精子（Sperm） cells are the reproductive gametes in semen.
3. The seminal vesicles secrete nutrient-rich fluid to fuel sperm travel.
4. The prostate gland produces fluid that extends sperm lifespan and improves motility.
5. The bulbourethral (Cowper's) glands secrete lubricating, neutralizing fluid for urethral passage.
6. Sperm's Journey
7. Ejaculation is the process that expels semen from the male body.
8. A typical ejaculation releases 40 million to 150 million sperm cells.
9. Male Sexual Concerns
10. Testosterone is the primary male sex hormone.
11. Erectile dysfunction is the consistent inability to achieve or sustain an erection.
12. Nocturnal emissions are the spontaneous sleep-time ejaculations called "wet dreams".
13. Circumcision is the surgical removal of the penile foreskin.

Answer:

1. Components of Semen

• Sperm
• Seminal vesicles
• Prostate gland
• Bulbourethral (Cowper's) glands

1. Sperm's Journey

• Ejaculation
• $40$, $150$

1. Male Sexual Concerns

• Testosterone
• Erectile dysfunction
• Nocturnal emissions
• Circumcision