Evidence that the nervous system controls the muscular/skeletal system is:

if you have a spinal cord injury, sometimes you can't move

Why is the circulatory system needed by the excretory system?

The circulatory system brings blood to the excretory system

The function of the digestive system is ...

to break food into smaller pieces that the body can use

The function of the excretory system is ...

to remove toxic substances and extra water from blood

What is evidence that your circulatory system is needed by your respiratory system?

oxygen would be stuck in your lungs without a c.s.

The reason the circulatory system interacts with the digestive system is ...

circulatory syst. picks up nutrients from digestive system

The nervous system and the muscular/skeletal system interact or work together because:

nervous system signals make muscles move

The circulatory system interacts with the respiratory system because:

blood picks up oxygen and drops of carbon dioxide

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Human Body Systems and Interactions

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Six human body systems: circulatory, digestive, excretory, muscular/skeletal, nervous, and respiratory: what are their functions? How do they interact?

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Questions 13

Answers

1
Evidence that the nervous system controls the muscular/skeletal system is:
you don't have to think to move
if muscles are injured the brain stops working
if you have a spinal cord injury, sometimes you can't move
you don't need a brain for your heart to work
2
Why is the circulatory system needed by the excretory system?
the excretory system brings blood to the circulatory system
The circulatory system brings blood to the excretory system
3
The circulatory system's function is:
to pick up wastes from cells
to transport oxygen to cells
all the answers are true!
to transport nutrients to cells
4
The function of the digestive system is ...
to transport blood through the body
to break food into smaller pieces that the body can use
to control movement
to clean the blood
5
The function of the respiratory system is:
all the answers are correct
getting rid of carbon dioxide
bringing in oxygen
gas exchange
6
The "command, control, and communication" system is:
respiratory
circulatory
muscular/skeletal
nervous
7
The function of the excretory system is ...
to digest your food
to produce poop
to remove toxic substances and extra water from blood
8
What is evidence that your circulatory system is needed by your respiratory system?
oxygen would be stuck in your lungs without a c.s.
lungs have small air tubes that carry oxygen to your cells
9
The reason the circulatory system interacts with the digestive system is ...
the circulatory system controls the digestive system
circulatory syst. picks up nutrients from digestive system
the circulatory gets waste out of the digestive system
10
Evidence that your circulatory system interacts with your digestive system is ...
LOTS of blood vessels are near your small intestines
blood gets nutrients out of the intestines
both answers are true
11
The system that provides support, protection, and movement to the body is:
nervous
excretory
respiratory
muscular/skeletal
12
The nervous system and the muscular/skeletal system interact or work together because:
muscles are connected to the brain through blood vessels
the brain controls the heart but not control your movement
nervous system signals make muscles move
muscles can contract and move on their own without the brain
13
The circulatory system interacts with the respiratory system because:
your heart is inside your lungs
blood picks up oxygen and drops of carbon dioxide
your lungs are full of blood
oxygen gets into your body through your skin

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