Unit 3: Heart, Lungs, and Life Questions | Baamboozle - Baamboozle

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Unit 3 Review

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During respiration, what happens when we inhale?

When we inhale, air enters the body.

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What happens, when we exhale?

When we exhale, air leaves the body.

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When we inhale, where does the air containing oxygen go?

Air containing oxygen travels down the respiratory tract to the lungs.

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When we exhale, where does the air containing carbon dioxide go?

Air containing carbon dioxide is pushed out of the body.

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_______ carry blood towards the heart.

Veins

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______ carry blood away from the heart.

Arteries

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________ connect the arteries and veins.

Blood capillaries

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Oxygen and nutrients first enter the circulator system through the _________.

capillaries

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Carbon dioxide and waste substances leave the circulatory system through the _________.

capillaries

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How long does pregnancy last?

It lasts 40 weeks.

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What two cells fuse in the process of fertilization?

The sperm and the ovum

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Where does fertilisation take place?

Fertilisation takes place inside the female body.

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What are the four different names that the fusion of sperm and ovum receive through fertilisation, pregnancy, and birth?

zygote, embryo, foetus, baby

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How does the embryo get the nutrients and oxygen it needs?

Through the umbilical cord

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How many lungs do you have?

2

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How many bronchi do you have?

2

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