biology sping assessment 22-23

Question 1

what does the mitochondria do in sperm cells?

Answer 1

gives the sperm energy for movement in the acidic environment of the uterus

Question 2

why is there a tail on a sperm cell?

Answer 2

to propel themselves forward and speed up the process of fertilisation

Question 3

what is the name of the thick outer layer on an egg cell?

Answer 3

ZONA PELLUCIDA ‼️NOT A CELL WALL‼️

Question 4

how often do you get your period?

Answer 4

once a month/ every 28 days

Question 5

what hormones are released during puberty in WOMEN?

Answer 5

oestrogen & progesterone

Question 6

what hormones are released during puberty in MEN?

Answer 6

testosterone

Question 7

where are sperm cells produced?

Answer 7

in the testes

Question 8

when are women most fertile during their periods?

Answer 8

around days 14 - 22

Question 9

what leaves the vagina during a woman’s period?

Answer 9

the blood of the uterine lining/endometrium

Question 10

what physical changes do men have during puberty?

Answer 10

• adams apple
• deeper voices
• sweatier
• mood swings
• pubic & facial hairs

Question 11

what physical changes do women get during puberty?

Answer 11

• oiler skin
• development of breasts
• pubic hair
• broader waist
• mood swings