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Human body system 5th grade Flashcards | StudBud

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What is a group of cells called?

what helps keep bones strong?

Human body system 5th grade

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Questions 6

Answers

1
what helps keep bones strong?
fat
vitamin C
Calcium
bone marrow
2
What is a group of cells called?
An organ
tissue
a bone
a group of cells
3
how many systems are in the body?
6
7
2
5
4
What's the main job of the spine
Pump blood
To fix broken bones
A pathway for messages sent to the brain
to give you great posture
5
What is the main organ of the respiratory system?
Trachea
Small intestine
Heart
Lungs
6
What does the rib cage protect
tiny bones
to protect vital organs
to keep the organs from working
Your skin