Define male.
An individual of the sex that produces small, mobile gametes (sperm) in sexual reproduction.
True or false: Males typically have higher testosterone levels than females.
TRUE
Testosterone influences male physical traits and reproductive functions.
Fill in the blank: Males usually have XY sex chromosomes, while females have ______.
XX
What is the primary role of sperm in reproduction?
To fertilize the female’s egg, leading to the formation of a zygote.
Define androgen.
A group of hormones, including testosterone, that regulate male traits and reproductive activity.
True or false: Males have a higher muscle mass than females on average.
TRUE
This is due to hormonal differences, particularly testosterone.
Fill in the blank: Males typically experience baldness due to ______.
Genetic factors and hormonal changes.
What is male-pattern baldness?
A common form of hair loss in males characterized by a receding hairline and thinning crown.
Define prostate gland.
A gland in males that produces seminal fluid, which nourishes and transports sperm.
True or false: Males can develop breast cancer.
TRUE
Although rare, men can develop breast cancer due to genetic factors.
Fill in the blank: The testes are responsible for producing ______.
Sperm and testosterone.
What is the vas deferens?
A duct that transports sperm from the testes to the ejaculatory duct.
Define spermatogenesis.
The process of sperm cell development within the male reproductive system.
True or false: Males have a larger heart size compared to females.
TRUE
This is often linked to differences in body size and muscle mass.
Fill in the blank: Men are more likely to engage in ______ risk-taking behaviors than women.
High
What is the male reproductive system composed of?
Testes, vas deferens, prostate gland, and penis.
Define erection.
The process by which the penis becomes firm and enlarged due to blood flow.
True or false: Males can experience menopause.
FALSE
Men do not experience menopause; however, testosterone levels may decline with age.
Fill in the blank: The penis serves as the organ for ______.
Urination and sexual intercourse.
What is testosterone?
The primary male sex hormone responsible for the development of male characteristics.
Define seminal fluid.
A fluid that nourishes and transports sperm during ejaculation.
True or false: Males have a higher metabolic rate than females.
TRUE
This is influenced by muscle mass and hormonal differences.
Fill in the blank: Circumcision is the surgical removal of the ______.
Foreskin from the penis.
What is the scrotum?
The pouch of skin containing the testes, regulating their temperature.