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Flashcards in Life Science Deck (22):
1

Where is the egg usually fertilized

The oviduct

2

What is the Union of the sperm and the egg

Fertilization

3

Where does the embryo develop

The uterus

4

During what stage of development does the amniotic sac form

Embryo

5

When do eggs start to develope in the ovaries

Puberty

6

When does puberty acur

Adolescent

7

When an egg and a sperm unite a is formed

Zygote

8

What period does growth stop

Adulthood

9

Unlike identical twins all of the following can be true of fraternal twins except blank

A single egg was fertilized and split

10

T f blood vessels in the umbilical cord carry nutrients and oxygen from the mothers blood through the placenta to the embryo

True

11

T f the endocrine system sends chemical messages in your blood that affects specific tissues called target tissues

True

12

T f the uterus is called the birth canal because during birth the baby travels through this tube to the outside of the mom

False

13

Many internal body conditions such as hormone level blood sugar level and body temp level are controlled by negative feedback system t f

True

14

T f semen leaves the body through the urethra which is the same tube that carries urine

True

15

T f the menstraul cycle of a female human averages 28 days

True

16

T f the first four weeks after birth are known as the fetus period

False

17

T f the two ovaries release eggs on alternating months

True

18

T f before the egg is fertilized by the sperm it must undergo mitosis and cell division

False

19

T f on a super the head moves the sperm the tail contain the genetic material

False

20

Put birth in order

Fill in the blank

21

List of examples

Childhood birth neonadle

22

Which gland produces melatonin

Pancreas