18.1,2,3,4 Reproduction And Heredity

Question 1

________________ secrete chemicals through ducts to outside of body

Answer 1

Exocrine (external)

Question 2

___________ secrete hormones directly into blood stream (no ducts to exit) that signal changes in other parts of the body

Answer 2

Endocrine (internal)

Question 3

_______________ - a chemical substance, or messenger, released by an endocrine gland that has a specific function in the body

Answer 3

Hormone

Question 4

_______________- a period of sexual development during which a person becomes sexually mature and physically able to produce

Answer 4

Puberty

Question 5

How does puberty start?

Answer 5

1. The Hypothalamus signals the pituitary glands to begin producing 2 hormones
2. Those hormones in turn signal the reproductive glands to produce sex hormones
3. These sex hormones activate several changes in your body including outward appearance

Question 6

Functions of the male reproductive system

Answer 6

1. Produce sex hormones
2. Produce and store sperm
3. Deliver sperm to female reproductive system

Question 7

___________- sexual organ through which sperm leaves the body. The tip of the penis is covered with loose skin, called the foreskin. The foreskin can be removed by a process called circumcision

Answer 7

Penis

Question 8

____________- male reproductive glands (2 functions = production of testosterone and sperm)

Answer 8

Testes

Question 9

_____________- reproductive cells (in males)

Answer 9

Sperm

Question 10

____________- a sperm cell joins with an egg

Answer 10

Fertilization

Question 11

Semen- _________________________________

Answer 11

Mixture of sperm cells and fluids

Question 12

Ejaculation- _____________________________________

Answer 12

Ejection of semen from the penis

Question 13

Functions of the female reproductive system

Answer 13

1. Produce sex hormones
2. Produce eggs
3. Provide a nourishing environment in which a fertilized egg can develop into a baby

Question 14

_____________- reproductive cells/eggs (in females)

Answer 14

Ova

Question 15

________________- reproductive glands in which eggs are produced (2 functions= produce hormones estrogen and progesterone and release mature egg cells)

Answer 15

Ovaries

Question 16

____________- activates certain physical change at puberty

Answer 16

Estrogen

Question 17

__________________- activates changes to a woman’s reproductive system before and during pregnancy

Answer 17

Progesterone

Question 18

_______________- one of the ovaries releases a ripened ehh about once every month

Answer 18

Ovulation

Question 19

_____________________- passages that carry eggs away from ovaries

Answer 19

Fallopian tubes

Question 20

_______________- hollow, muscular organ where an egg can grow and develop

Answer 20

Uterus

Question 21

______________- hollow, muscular passage leading from the uterus to the outside of the body

Answer 21

Vagina

Question 22

________________________- process by which a female produces one mature egg each month

Answer 22

Menstrual cycle

Question 23

On average, menstrual cycles last about _____ days

Answer 23

28

Question 24

Factors affecting menstrual cycle

Answer 24

1. Diet
2. Stress
3. Exercise
4. Weight gain/loss

Question 25

___________________- ovaries slow down hormone production and no longer release eggs

Answer 25

Menopause

Question 26

Keeping healthy: 1. ____________- daily washing 2. __________________- eliminate infections, diseases, ext until God approves 3. _______________- learn how to monitor for medical problems 4. ___________________- yearly check ups should be done by a professional

Answer 26

1. Cleanliness 2. Sexual abstinence 3. Self exams 4. Medical check ups