Glencoe Science Level Green

Chapter 16: Regulation and Reproduction

Regulation and Reproduction

1
The first menstrual period usually occurs _________.
A)between ages 45 and 60
B)after age 45
C)between ages nine and 13
D)before age 9
2
What is the period of the first four weeks of a baby's life called?
A)the adulthood period
B)the fertilization period
C)the neonatal period
D)the adolescence period
3
Which of these connects the uterus to the outside of a woman's body?
A)the vagina
B)the seminal vesicle
C)the sperm duct
D)the ovary
4
The __________ response to a fearful situation is one function of the endocrine system.
A)passive
B)reproductive
C)fight-or-flight
D)come-or-go
5
The joining of an egg and a sperm creates __________.
A)the urethra
B)the cervix
C)the zygote
D)the ovary
6
__________ are produced by the endocrine system.
A)Tissues
B)Nerves
C)Hormones
D)Blood cells
7
Which of these is an organ in the female reproductive system?
A)the scrotum
B)the eggs
C)the urethra
D)the uterus
8
__________ controls the amount of hormones the endocrine system sends.
A)The pelvis
B)A fight-or-flight response
C)The placenta
D)A negative-feedback system
9
What is the flow of blood and tissue cells from the uterus called?
A)menstruation
B)ovulation
C)semen
D)fertilization
10
Hormones from the endocrine system get to the bloodstream __________.
A)through cell division
B)directly from mucous secretions
C)through ducts
D)directly from the glands
11
After birth, the baby's umbilical cord is clamped then cut. The scar that forms is called __________.
A)the semen
B)the cervix
C)the ovary
D)the navel
12
Which of these is true?
A)The nervous system and the endocrine system have similar reaction times.
B)The nervous system doesn't react as quickly as the endocrine system.
C)The endocrine system doesn't react as quickly as the nervous system.
D)The endocrine system and the nervous system do not work together.
13
Fraternal twins __________.
A)can be one boy and one girl
B)cannot be one boy and one girl
C)can be only two boys
D)can be only two girls
14
Which of these is the process that continues life?
A)adolescence
B)homeostasis
C)reproduction
D)infancy
15
__________ carries nutrients and oxygen to the developing embryo from its mother.
A)The umbilical cord
B)The endocrine glands
C)The negative-feedback system
D)The menstrual cycle
16
Which of these is true?
A)Identical twins can be one boy and one girl.
B)Triplets are always three boys.
C)Triplets can never be a combination of boys and girls.
D)Identical twins are always the same gender.
17
When does ovulation occur in the menstrual cycle?
A)during fertilization
B)during menopause
C)soon after birth
D)14 days before menstruation begins
18
Which of these produces hormones that control the reproductive system?
A)the pituitary gland
B)the thyroid gland
C)the mammary gland
D)the lymph gland
19
The scrotum is __________.
A)an internal organ
B)an external organ
C)part of the cardiovascular system
D)part of the nervous system
20
The average length of a human female menstrual cycle is __________.
A)nine months
B)more than 45 years
C)less than 24 h
D)about 28 days
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