Page 48 - SCIENCE
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SCIENCE AND ENVIRONMENT 1st Grade - Primary Education
3. Join with a line.
1. Movement of the heart. blood
2. Red and salty liquid. veins
3. Blood circulates through it. beats
4. It is the most important organ of the heart
circulatory system.
Four. Write with a "T" if it is true or with an "F" if it is false the following statements:
a. Beneath the skin are the muscles.
(_____________________)
b. The rib cage protects the brain.
(_____________________)
c. The set of bones is called the skeleton.
(_____________________)
d. The bones are the hard parts.
(_____________________)
and. Muscles do not allow us to perform many movements.
(_____________________)
F. Muscles are the soft and elastic parts of our human body.
(_____________________)
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