Living things can be made of one cell or many. In the cell, the nucleus is the control center and directs the activities throughout the cell. The cell is a system just like the human body is a system. Cell:nucleus as human body: __________ A) brain B) heart C) liver D) stomach @Ednac
A
wait what is the question
Jose and Sarah are running in the cross country meet. Their skeletal and muscular systems work to move them through the course. As they run, they breathe faster and harder and their heart rate increases. This illustrates that body systems A) work together. B) work independently. C) have different functions. <-----?? D) have no connection to one another.
if the nucleus had to be related to the body it would be a brain
Yes, it was a :D
Work together but at the same time they do have different functions
but a is better for this one too
Organs, such as the stomach and the small and large intestines, are lined with smooth muscle tissue. These organs, due to the muscular contractions of their walls, involuntarily A) grind food into smaller pieces. B) move food through the digestive tract. C) add liquids to food to make it a slurry. D) supply digestive enzymes that aid in digestion.
a or b
try b
thats the next question
no idea I like 'q' but im unsure
and would you help on a test? or no cause its against the rules
because this is a review so its not a test
I can i guess
Thats the next question
s?
but it might be against the website to help on a test
Last one Is Q I think :D
no its s
OKay well this isnt a test its a review :P
and she meant the last one was q like u said ;)
i know but still
next one
d
do i get a medal for this lol
D
What is the MAIN way the skin prevents pathogens from entering the body? A) by fighting them B) by acting as a barrier C) by creating immunity against them D) by triggering a response in the brain
Almost done :D
b
Yep B on that one
@Ednac u get a medal fan and testimony :D
yay lol
What is the MAIN way the skin prevents pathogens from entering the body? A) by fighting them B) by acting as a barrier C) by creating immunity against them D) by triggering a response in the brain
lol
that is dopin str8 groovy
:/ lol what
who knows
Human hearts have pairs of two types of chambers; the atria (plural for atrium)and the ventricles. Atria are where blood enters the heart and ventricles pump the blood out of the heart. The heart also takes in oxygen poor blood, pumps it through the lungs or gills (fish), where the blood is oxygenated, and then pumped through the rest of the body. Identify which statement is correct. A) Fish have a three-chamber heart. B) Reptiles have a two-chamber heart. C) Mammals have a four-chamber heart. D) None of these statements are correct.
@Ednac
5 more questions after this then i am done with the review but i do not need help on the test ;)
I know this one
A
Most organisms break down sugar to produce usable energy through the process of A) diffusion. B) chemosynthesis. C) photosynthesis. Eliminate D) cellular respiration.
4 more
c
i believe
What is the function of the cell membrane? A) to protect and support the cell B) to increase the number of cells C) to control what enters and leaves the cell D) to produce macromolecules within the cell
c
Carbohydrates, fats, proteins: These organic molecules ALL have this element in common. This element can form multiple bonds, and it bonds with other elements as well as with itself. This element is A) calcium. B) carbon. C) helium. D) hydrogen.
b
oops i meant b
b
Eddie’s assignment is to prepare a dichotomous key for several objects. His first task was to arrange the objects. The objects are a lightening bug, a butterfly, a ladybug, an ant and a canary. What should each question in the dichotomous key accomplish? A) It should arrange the organisms by phylum. B) It should divide the objects into two groups. C) It should predict the offspring of the objects. D) It should give the clues to the organism’s name.
last one :D
a or b
b?
phylum i believe
wait there is 1 more part after this its a small drag and drop would you help me when i need it?
sure
is this right?
cell tissue organ organ system organism is the order
okay and last part its the naem thing let me try first
ok
i cant fiqure this out
brain is nervous
stomach is digestive
kidney is excretory
ovary is reproductive
heart is circulatory
lung is respiratory
and large intestines is digestive?
it might want to say excretory but it should be digestive
ok
OMG I GOT A 100 ON THE REVIEW!! :D
good job
what grade is this?
i need like fifteen medals for this
7
7?
7th grade
how old r u ?
13
well then i was right
:P
cool
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