science vocab 10

Question 1

gland

Answer 1

an organ that produces and releases chemical either through duct or into bloodstream

Question 2

duct

Answer 2

a tiny tube through which chemicals are released from the gland

Question 3

hormone

Answer 3

1.a chemical that affects growth and development
2. a chemical produced by an endocrine gland

Question 4

target cell

Answer 4

a cell in the body that recognize a hormones chemical structure

Question 5

hypothalamus

Answer 5

a part of the brain that links the nervous system and the endocrine system

Question 6

phultary gland

Answer 6

negative feedback

Question 7

fertillization

Answer 7

the process in sexual reproduction in which an egg cell (female) and a sperm cell (male) join and from a cell

Question 8

egg

Answer 8

a female sex cell

Question 9

sperm

Answer 9

a male sex cell

Question 10

zygote

Answer 10

a fertilized egg , producted by the joining of a sperm and an egg

Question 11

testes

Answer 11

an organ in the male reproductive system in which sperm and testosterone are produced

Question 12

testosterone

Answer 12

a hormone produced by the testes that controls the development of sperm and adult male characteristics

Question 13

scrotum

Answer 13

an external pouch of skin in which the testes are located

Question 14

semen

Answer 14

a mixture of sperm and fluid

Question 15

penis

Answer 15

an organ through which both semen and urine leaves the male body

Question 16

ovary

Answer 16

organ of the female reproductive system in which eggs and estrogen are produced

Question 17

estrogen

Answer 17

a hormone produced by the ovaries the controls the development of eggs and adult female characteristics

Question 18

fallopian tube

Answer 18

the passway for eggs from an ovaryto the utenis

Question 19

utens

Answer 19

a hollow muscular organ of the female reproduction system in which a fertilized egg develop

Question 20

vagina

Answer 20

a muscular passway leading to the outside of the female body also called the birth canal

Question 21

menstrual

Answer 21

the monthly cycle of changes the occurs in the female reproductive system during which an egg develops the utenis prepares for that arrival of a fertiliared egg

Question 22

menstruation

Answer 22

the process in which the thickened lining of the utenis breaks down and blood and tissue then passes out of the female body through the vagina

Question 23

ovulation

Answer 23

the process by which a mature egg is released from the ovary into a follopian tube

Question 24

embryo

Answer 24

1. the young organism that devepoling forms a zygote
2. the developing human during the 8 weeks following fertilization

Question 25

fetus

Answer 25

a developing human from the 9th week of development until birth

Question 26

amniotic sac

Answer 26

a fluid filled sac that cushions the protects a developing embryo or fetus in the uterus

Question 27

placenta

Answer 27

an organ in most