WorksheetsM2 Science Final Review T1
Total questions: 55
Worksheet time: 44mins
Which is NOT a function of the nervous system?
gathering information
responding to a stimulus
maintaining homeostasis
secreting hormones
True or false:
A reflex signal must travel to the brain before a response to the stimulus can occur.
True
False
What is a reflex?
an automatic movement in response to a stimulus
the gap between neurons where chemical reactions occur
the part of the brain responsible for involuntary movements
a muscle memory
Jubjib loves to dance during Quizlet live. Which part of her brain stores the memories for her dance techniques?
cerebellum
cerebrum
brain stem
medulla
Cover dancing requires a lot of coordination, but which part of your brain coordinates your muscle movements?
cerebellum
cerebrum
brain stem
hypocampus
Even though Khing loves to sleep, her heart still beats and lungs still breathe. Which part of her brain controls this?
cerebellum
cerebrum
brain stem
optical nerve
This organ is like the messaging app the brain and body use to communicate with each other. What is it?
PNS
cortical nerve
vocal cord
spinal cord
Coffee is a good example of a _______, because it causes humans to think faster and increases communication between neurons.
stimulant
depressent
neuro-inhibitor
mental injury
The dendrites and axons of neurons connect at a place called a _______.
synapse
stimulus
cerebrum
cell body
An impala's heart rate and adrenalin levels increase when trying to escape a cheetah. This is an example of:
gathering information
responding to a stimulus
maintaining homeostasis
secreting hormones
Physical injuries, like a major car accident, can be very dangerous to nervous system health. How?
the nerves will communicate slower
pain receptors activate during physical injuries
damaged nerves cannot send or receive signals
the driver will be very upset about their destroyed car
After seeing a moth, a frog uses its tongue to catch it. This is an example of:
gathering information
responding to a stimulus
maintaining homeostasis
secreting hormones
A spider feels a fly land on its web. This is an example of:
gathering information
responding to a stimulus
maintaining homeostasis
secreting hormones
What is the primary role of the hypothalamus?
to supply oxygen to the brain
to connect the nervous system to the endocrine system
to create and release growth hormone
to coordinate muscle movements
Messages sent by the endocrine system move _______ than messages sent by the nervous system.
slower
faster
What is the male hormone produced by the testes?
adrenalin
estrogen
insulin
testosterone
This gland controls metabolism, which is the speed at which our bodies use calories.
hypothalamus
pituitary
thyroid
pancreas
What are hormones?
chemical messages released by glands in the endocrine system
impulses that travel to neurons and deliver messages
muscles in the intestines that cause peristalsis
tissues in the endocrine system that send chemical messages
Which is an activity of the endocrine system?
send and receive messages through neurons
control body functions
detect stimuli from the outside environment
control the nervous system
What do we call the effect of a hormone that causes more of the hormone to be released?
glands
hormones
positive feedback
negative feedback
What do we call the effect of a hormone that the release of the hormone?
glands
hormones
positive feedback
negative feedback
Which gland can only be found in females?
ovary
testes
pancreas
adrenal
What is the biggest endocrine gland in the body?
pituitary
adrenal
pancreas
hypothalamus
Identify number 1.
Vagina
Penis
Ovary
Testis
Identify number 2.
Vagina
Penis
Ovary
Testis
Identify number 3.
Vagina
Penis
Ovary
Testis
Identify number 4.
Vagina
Penis
Ovary
Testis
The ovary and uterus go through 3 phases of change each month in a process called __________.
the menstrual cycle
pregnancy
fertilization
hormonal production
The sperm are the female reproductive cells.
True
False
During the menstrual cycle, ovulation occurs as ____________.
tissue, blood, and cells prepare to leave the body
hormones cause the ovary to release an egg
the walls of the uterus thicken
a sperm encounters an egg and they join togeher
What is the main purpose of reproductive systems?
to excrete liquid waste in the form of urine
to create new cells to repair our bodies when injured
to produce offspring
to control hormone levels during adolescence
What's the difference between sperm and semen?
sperm have a head and a tail, but semen only have a head
sperm are the male reproductive cells, and semen are the female reproductive cells
they are the same
semen is the combination of sperm and other fluids
This happens when a sperm and an egg join together.
Ovulation
Fertilization
Menstruation
Regurgitation
Which stage of development is directly after birth?
infancy
childhood
adolescence
adulthood
The period following infancy in which the brain and body continues to grow is called __________.
infancy
childhood
adolescence
adulthood
Puberty occurs in this stage; the last stage of development before adulthood.
infancy
childhood
adolescence
adulthood
This is the final stage of development.
infancy
childhood
adolescence
adulthood
For how long after pregnancy is the developing offspring still considered an embryo?
3 weeks
5 weeks
8 weeks
10 weeks
What does a fertilized egg attach to after it is fertilized?
vagina
cervix
uterus
fallopian tubes
True or False: A zygote has 23 chromosomes in total.
True
False
Define puberty.
hormones cause the reproductive systems to mature during adolescence
the body becomes older and sensory systems weaken
a zygote travels through the fallopian tubes to attach to the uterus
the brain continues to grow and muscles develop further
This stage of development before birth happens between 9 weeks and 9 months of pregnancy.
embryo
fetus
zygote
placenta
If a mother drinks alcohol during pregnancy, this can lead to severe damage to the offspring in the form of _______.
Fetus Dystrophy Disorder
Fetal Cramping
Downs Syndrome
Fetal Alcohol Syndrome
A mixture consists of two or more elements or compounds that are chemically combines, not physically mixed.
True
False
A substance made of only 1 type of atom is called --
an element
a salt
a compound
a mixture
Which of the pictures represents a mixture?
A
B
C
Which picture represents a compound?
A
B
C
Adam makes coffee by mixing coffee and sugar into hot water. The coffee and sugar have dissolved completely. What type of mixture did Adam make?
Colloid
suspension
solution
compound
The substance that is doing the dissolving in a solution is called the ---
solute
solvent
concentrated part
diluted part
Which solution is more concentrated?
Solution 1:
500 mL of water
100 g of salt
Solution 2:
500 mL of water
90 g of salt
Solution 1
Solution 2
They have the same concentration
I have no idea
Both solutions have equal volumes of 30 mL. Which solution is more diluted?
Solution X
Solution Y
Which solution is more concentrated?
Solution 1:
20 mL of water
5 g of salt
Solution 2:
20 mL of water
10 g of salt
Not enough information to tell
Solution 1
Solution 2
They are equally concentrated
