The Science of Blood and Its Circulation — PickAClass
⏱ 2h 48m 📚 28 lessons 🎧 Audio version

The Science of Blood and Its Circulation

A beginner's guide to the composition, functions, and critical importance of blood and the entire human circulatory system.

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About this course

Blood is the river of life, constantly flowing through your body, delivering essential nutrients and removing waste. Understanding this vital system is fundamental to comprehending human health. This course provides a comprehensive introduction to the human circulatory system, enabling you to understand the intricate workings of blood, the heart, and associated vessels. What you'll learn: * Understand the fundamental composition and physical properties of human blood. * Learn the specific roles of red blood cells, white blood cells, platelets, and plasma. * Explore the intricate structure and mechanical function of the heart and blood vessels. * Grasp the complete pathways of systemic and pulmonary blood circulation. * Identify the different human blood types and their importance in medical contexts. * Discover how the circulatory system contributes to maintaining body homeostasis and overall health. Beginning with the basic composition of blood, the course progresses to the detailed functions of its components, the mechanics of the heart, and the pathways of blood flow, concluding with insights into how the system adapts and maintains health. This course is designed for absolute beginners with no prior knowledge of biology or human anatomy. All foundational concepts are explained clearly and thoroughly. Start your journey into the fascinating world of human physiology today.

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
    Stuck on a lesson? Ask your built-in tutor anything, any time.
  • 🎧 Audio version included
    Learn on the go — no screen needed
  • ♾️ Lifetime access
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  • 📱 Phone or computer
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  • 💸 14-day refund
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  • Short & focused
    2h 48m of practical content

Certificate of completion

Every course you complete on PickAClass issues a credential like this — original, with its own code, verifiable by URL, and detailed about what was actually demonstrated.

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Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
The Science of Blood and Its Circulation
Skills demonstrated
Behavioral pattern analysis
Foundational
1.2 hrs
Decision-architecture frameworks
Proficient
1.4 hrs
A/B test design
Proficient
1.7 hrs
Behavioral copywriting
Advanced
1.9 hrs
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PickAClass — Name Surname
The Science of Blood and Its Circulation
Page 2 of 2
Performance detail
Coursework summary
Lessons completed 14 / 14
Practice questions 26 / 28
Assignments submitted 4 (avg 4.5 / 5)
Capstone project Reviewed — 4.6 / 5
Total practice 6.2 hrs
Performance benchmark
Cohort rank Top 12% of 1,625
Time to completion 11 days (median: 22)
Mastery score 91 / 100
Practice-question score 94%
Skill verification Verified Skill Path
Verify this credential
pickaclass.com/certificates/PCC-2026-X4F7-AP19
Issued under the academic standards of PickAClass. Skill levels reflect assessed performance against the course's competency rubric. This is an original credential of this platform.

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Frequently asked

What do I need to take this course? +

Just a phone or computer with internet. No installs, no special hardware.

How do I pay? +

By card via Stripe. We don’t store card details — Stripe handles them securely.

Can I get a refund? +

Yes — full refund within 14 days, no questions asked.

How long will I have access? +

Forever. Once you purchase, the course is yours to revisit anytime.

Will I get a certificate? +

Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.

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