Controlling Process In The Human Body

Question 1

Stimulus

Answer 1

Any change or signal in the environment an organism can recognize

Question 2

Response

Answer 2

A reaction to a stimulus

Question 3

Nerve impulse

Answer 3

A message carried by neurons

Question 4

Neurons

Answer 4

Cells that carry information through the nervous system

Question 5

Synapse

Answer 5

The junction where one neuron can transfer an impulses to the next structure

Question 6

Reflex

Answer 6

An automatic response that occurs rapidly and without conscious control

Question 7

Gland

Answer 7

An organ that produces and releases chemicals either into a duct or the blood stream

Question 8

Duct

Answer 8

A tiny tube through which chemicals are released from a gland

Question 9

Hormone

Answer 9

A chemical produced by an endocrine gland; chemical messenger

Question 10

Target cells

Answer 10

Cells that are specialized in away that allows them to recognize hormones

Question 11

Negative feedback

Answer 11

A process in which a system is turned off by the condition it produces

Question 12

Fertilization

Answer 12

The process in sexual reproduction in which an egg cell and a sperm cell join to form a new cell

Question 13

Testes

Answer 13

Organ of male reproductive system in which sperm and testosterone are produced

Question 14

Testosterone

Answer 14

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

Question 15

Ovaries

Answer 15

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

Question 16

Fallopian tubes

Answer 16

A passageway for eggs from an ovary to the uterus

Question 17

Uterus

Answer 17

The hollow muscular organ of the female reproductive system in which a fertilized egg develops

Question 18

Estrogen

Answer 18

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

Question 19

Menstrual cycle

Answer 19

Th monthly cycle of changes that occurs in the female reproductive system, during which an egg develops and the uterus prepares for the arrival of a fertilized egg

Question 20

Menstruation

Answer 20

The process in which the thickened lining of the uterus breaks down and blood and tissue then pass out of the female body through the vagina

Question 21

Ovulation

Answer 21

The process in which a mature egg is released from the ovary into a Fallopian tube