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Natural Science 4th Grade
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Complete the parts of male Reproductive system: _______, _______, scotum, sperm, ______
Urethra, Penis, Scrotum, Sperm, Testicles
Complete the female reproductive system: Ovaries, ________, vulva, ______,_____, ova
Ovaries, Uterus, Vulva, Fallopian Tubes, Vagina, Ova
Before the bay is born, it is called a ________.
Foetus
_________ is when a sperm joins an ovum.
Fertilisation
An _______ is when the cels grow after fertilisation.
embryo
He/She is the doctor who operates on patients, who is it?
Surgeon
The _______ are the blood vessels that take the blood to the heart.
veins
TRUE OR FALSE: Blood from the lungs to the heart goes into the left atrium and contains oxygen.
TRUE
TRUE or FALSE. Veins only carry blood with carbon dioxide.
FALSE
TRUE or FALSE. The heart has four chambers.
TRUE
TRUE or FALSE. Gas exchange sometimes occurs in capillaries.
FALSE: ...always occurs...
TRUE or FALSE. The circulatory system contains the heart, blood vessels, and blood.
TRUE
TRUE or FALSE. The circulatory system transports carbon dioxide to all cells in the body.
FALSE. ...transports OXYGEN...
They are the small air scs in the lungs.
The alveoli
It transports air from the mouth into the bronchi.
The trachea
It helps contract and expand the lungs.
The diaphragm
An adult male's lungs can expand to hold ______ of air.
6 litres
When your lungs get much bigger, so your diaphragm moves down, and your rib cage moves up and out. This makes space inside your chest. What is this process called?
Respiration process
Choose which words do not belong to the group: blood, nose and mouth, trachea, lungs, ovum, alveoli, vulva, tissue cells
ovum, vulva
Explain the route of oxygen in the body.
Double check your answer! Great?
Explain the route of carbon dioxide in the body.
Have you got it?
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thanksgiving conversation


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