What part of a sperm cell contains the nuclear material?
The head of the sperm contains the nucleus. The nucleus holds the DNA of the cell. The head also contains enzymes that help the sperm break through the cell membrane of an egg. The midpiece of the sperm is packed with mitochondria.
What is the purpose of the sperm’s tail quizlet?
What is the purpose of the sperm’s tail? To propel the sperm.
Which of the following is the erectile tissue around the urethra?
The corpus spongiosum penis may be described as enclosing the urethra and ends at the vertical urethral orifice. This third mass of tissue mainly prevents compression of the urethra during penile erection.
Which of these cells would contain 23 chromosomes?
In humans, gametes are haploid cells that contain 23 chromosomes, each of which a one of a chromosome pair that exists in diplod cells. The number of chromosomes in a single set is represented as n, which is also called the haploid number.
What is the function of the tail of the sperm?
The midpiece contains the mitochondria which supplies the energy the tail needs to move. The tail moves with whip-like movements back and forth to propel the sperm towards the egg.
What is the purpose of the sperm tail?
The tail moves with whip-like movements back and forth to propel the sperm towards the egg. The sperm have to reach the uterus and the fallopian tube in order to fertilize a woman’s egg.
What makes the sperm cell mobile quizlet?
The male sex cell is called a spermatozoon, or sperm cell. The sperm cell carries its nuclear hereditary material, or chromosomes, in its head region. The tail consists of a flagellum, which makes the sperm cell mobile.
What is the function of corpora cavernosa?
The corpus cavernosum contains spongy erectile tissue. Cavernosal arteries run along the middle of each corpus cavernosa. The function of the corpus cavernosum is to facilitate penile erections. Muscles surround the cavernosum and spongiosum.
What are the 3 erectile tissues?
The shaft of the penis contains three erectile tissues; the two corpora cavernosa and the corpus spongiosum. These tissues extend through the entire body of penis. The corpora cavernosa lie one next to another in the dorsal compartment of the penis, while the corpus spongiosum lies in the ventral groove between them.
How many chromosomes does the sperm contain?
23
All normal cells have 46 chromosomes but sperm have half that number or, 23. If and when the sperm joins ups with the female’s, egg (ovum) which also has 23 chromosomes, together they add up to 46 chromosomes.