Sperm & Male Reproductive System Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

What is sperm and example of?

A

Gametes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What happens during sexual reproduction?

A

The sperm cell’s nucleus joins with the eggs nucleus to fertilise the egg.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

A sperm has a lot of mitochondria, what do they do?

A

The sperm has a lot of mitochondria because they release a lot of energy, helping it swim faster and for a longer period of time..

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

A sperm has an acrosome at its tip, what is it?

A

An acrosome contains chemicals which help the sperm break through the zona pellucida of the egg, allowing it to insert its nucleus into the egg.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is the overall function of the male reproductive system?

A

It is to produce and ejaculate sperm.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is the average amount of sperm released?

A

The average is approximately 250 million, leaving the penis at 30mph!

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is the journey the sperm has to take to enter the egg?

A

First, the sperm enters the uterus through the cervix (1% make it through). Next they must swim through the uterus to reach the oviduct (on,y 20 sperm make it). They may need to wait more than 5 days for the egg to be released.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What 6 important parts does a sperm include?

A

Cell membrane
Nucleus
Flagellum
Mitochondria
Cytoplasm
Acrosome

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What are the most important parts of the male reproductive system?

A

Glands
Sperm duct
Urethra
Penis
Testis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What do the glands do?

A

The produce and release different hormones

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What does the sperm duct do?

A

Moves sperm away from the storage place in its testicle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What does the urethra do?

A

The urethra allows urine to pass through the penis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What do the testis do?

A

Make sperm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What does the scrotum do?

A

It protects the testicles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly