Human Anatomy Essentials: Systems and Homeostasis
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A clear tour of the major body systems and how they work together to maintain balance.
14 content steps
5 quizzes
~285 minutes
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Journey Steps
Preview
1
Content Step 1
Content
Levels of organization: cells, tissues, organs, systems
2
Content Step 2
Content
Homeostasis and feedback loops in plain language
3
Content Step 3
Content
Skeletal system basics: bones, joints, and movement
4
Quiz 4
Quiz
Checkpoint Quiz
5
Content Step 5
Content
Muscular system: contraction, types of muscle, and energy
6
Content Step 6
Content
Cardiovascular system: heart, vessels, and circulation
7
Content Step 7
Content
Respiratory system: gas exchange and breathing mechanics
8
Quiz 8
Quiz
Checkpoint Quiz
9
Content Step 9
Content
Digestive system: from ingestion to absorption
10
Content Step 10
Content
Urinary system: kidneys, filtration, and fluid balance
11
Content Step 11
Content
Endocrine system: hormones and signaling
12
Quiz 12
Quiz
Checkpoint Quiz
13
Content Step 13
Content
Nervous system overview: CNS vs PNS and integration
14
Content Step 14
Content
Immune system overview: defenses and protection
15
Content Step 15
Content
Reproductive system basics and developmental overview
16
Quiz 16
Quiz
Checkpoint Quiz
17
Content Step 17
Content
How systems coordinate under exercise and stress
18
Content Step 18
Content
Lifestyle links: sleep, nutrition, and activity
19
Quiz 19
Quiz
Checkpoint Quiz
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