science topic 5

Question 1

The main purpose of homeostasis is to

-fight disease causing organisms.
-keep internal conditions stable.
-produce offspring.
-replicate DNA.

Answer 1

keep internal conditions stable

Question 2

Your body communicates using what organ system?

-endocrine system
-skeletal system
-integumentary system
-nervous system

Answer 2

nervous system

Question 3

Your body functions are controlled by what system?

-endocrine system
-skeletal system
-integumentary system
-nervous system

Answer 3

nervous system

Question 4

Blood vessels where exchange of materials with the cells takes place.

arteries
capillaries
veins
venules

Answer 4

capillaries

Question 5

Blood vessels that contain valves to prevent backflow.

arteries
capillaries
veins
venules

Answer 5

veins

Question 6

An action or change in behavior that occurs as a result of a stimulus.

nutrient
waste
stimulus
response

Answer 6

response

Question 7

The process by which your body breaks down food into small nutrient molecules.

absorption
elimination
peristalsis
digestion

Answer 7

digestion

Question 8

Nutrients that help your body with chemical reactions.

vitamins
minerals
all the above
none of the above

Answer 8

all the above

Question 9

These fats are liquid at room temperature.

saturated
unsaturated
neither a nor b
both a and b

Answer 9

unsaturated

Question 10

These fats are solid at room temperature.

saturated
unsaturated
neither a nor b
both a and b

Answer 10

saturated

Question 11

Nutrients that are not made by the body, but are needed to carry out chemical processes. Calcium is an example of this type of nutrient.

protein
fat
vitamins
minerals

Answer 11

minerals

Question 12

Most chemical digestion occurs in the _____.

stomach
mouth
small intestine
large intestine

Answer 12

small intestine

Question 13

Bile is stored in a small organ called the _____.

gallbladder
liver
pancreas
kidney

Answer 13

gallbladder

Question 14

The last section of the large intestine is called the _____.

salivary glands
pancreas
gallbladder
rectum

Answer 14

rectum

Question 15

The part of the circulatory system that pumps blood throughout the body.

lymphatic system
digestive system
cardiovascular system
excretory system

Answer 15

cardiovascular system

Question 16

Which heart chambers receive blood?

septum
atria
ventricles
aorta

Answer 16

atria

Question 17

Most of the chemical digestion and nutrient absorption into the blood takes place in the _____.

mouth
stomach
small intestine
large intestine

Answer 17

small intestine

Question 18

Which blood vessel carries blood toward the heart?

artery
capillary
vein
valve

Answer 18

vein

Question 19

Which blood vessel carries blood away from the heart?

artery
capillary
vein
valve

Answer 19

artery

Question 20

Which of the following is responsible for keeping blood from back flowing?

artery
capillary
vein
valve

Answer 20

valve

Question 21

Knobs of tissue connected to lymphatic vessels responsible for filtration.

lymph
lymph vessels
lymph nodes
lymph codes

Answer 21

lymph nodes

Question 22

Responsible for moistening the air you breathe.

nose
trachea
bronchi
alveoli

Answer 22

nose

Question 23

Tiny thin-walled sacs of lung tissue where gasses can move between air and blood.

nose
trachea
bronchi
alveoli

Answer 23

alveoli

Question 24

Your windpipe

nose
trachea
bronchi
alveoli

Answer 24

trachea

Question 25

The two passages that direct air into the lungs. nose trachea bronchi alveoli

Answer 25

bronchi

Question 26

The main organs of which system are the kidneys, urinary bladder, urethra, lungs, skin, and liver. integumentary system respiratory system excretory system lymphatic system

Answer 26

excretory system

Question 27

A small filtering structure in the kidney that removes wastes from blood and produces urine. lymph node urethra nephron neutron

Answer 27

nephron

Question 28

A cell that carries information through the nervous system. axon dendrite neuron axon

Answer 28

neuron

Question 29

The branched structure of a neuron that picks up information. axon dendrite synapse neutron

Answer 29

dendrite

Question 30

The part of a neuron that receives information from the dendrite and sends it away from the cell. axon dendrite synapse neutron

Answer 30

axon

Question 31

The junction where one neuron can transfer an impulse to another neuron. axon dendrite synapse neutron

Answer 31

synapse

Question 32

The neurons of the brain are all _____. sensory neurons interneurons motor neurons quiet neurons

Answer 32

interneurons

Question 33

The part of the peripheral nervous system that controls voluntary actions. automatic autonomic sumac somatic

Answer 33

somatic

Question 34

The part of the peripheral nervous system that controls involuntary actions. automatic autonomic sumac somatic

Answer 34

autonomic

Question 35

An organ that produces and releases chemicals through ducts or into the bloodstream. stem impulse gland reflex

Answer 35

gland

Question 36

The gland that controls other endocrine glands and regulates processes including growth, blood pressure, and water balance. adrenal glands hypothalamus parathyroid gland pineal gland pituitary gland Thyroid gland

Answer 36

pituitary gland

Question 37

The gland that regulates the body’s calcium levels. adrenal glands hypothalamus parathyroid gland pineal gland pituitary gland Thyroid gland

Answer 37

parathyroid gland

Question 38

The gland that regulates sleep/wake patterns. adrenal glands hypothalamus parathyroid gland pineal gland pituitary gland Thyroid gland

Answer 38

pineal gland

Question 39

The gland that produces hormones, such as thyroxine, that controls energy-related reactions. adrenal glands hypothalamus parathyroid gland pineal gland pituitary gland Thyroid gland

Answer 39

Thyroid gland

Question 40

Part that links the nervous system and the endocrine system, as well as controlling the pituitary gland. adrenal glands hypothalamus parathyroid gland pineal gland pituitary gland Thyroid gland

Answer 40

hypothalamus

Question 41

Releases a hormone that triggers a response to emergencies or excitement. Other hormones from these glands affect salt and water balances in the kidneys and sugar in the blood. adrenal glands hypothalamus parathyroid gland pineal gland pituitary gland Thyroid gland

Answer 41

adrenal glands