Flow through the heart (video) | Khan

Flow through the heart (video) | Khan

$34.88

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how does the heart function as a pump
Flow through the heart (video) | Khan

A total of 5 guests made comments

2026-01-25

Delivery went smoothly, and I appreciate the careful packaging.

2026-01-25

Product arrived in perfect condition and was ready to use immediately.

2026-01-23

Everything about it meets expectations perfectly.

2026-01-29

Arrived sooner than expected, well packaged.

2026-01-26

Well-built and comfortable to use.

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