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Antanya Metusala
StudyStack 1 Anatomy Week 1-5
| Question | Answer |
|---|---|
| What are the 6 levels of organization in the body (smallest to largest)? | Chemical → Cellular → Tissue → Organ → Organ System → Organism |
| What is homeostasis? | The body’s ability to maintain a stable internal environment. |
| What are the 3 main parts of an atom? | Protons, neutrons, and electrons. |
| What is the most abundant molecule in the human body? | Water (H₂O) |
| What is the function of the cell membrane? | Controls what enters and leaves the cell; provides protection and structure. |
| What organelle is known as the “powerhouse” of the cell? | Mitochondria (produces ATP). |
| What are the 4 main tissue types? | Epithelial, connective, muscle, and nervous tissue. |
| What are the two main layers of the skin? | Epidermis (outer) and dermis (inner). |
| What is the main function of skeletal tissue (bone)? | Support, protection, movement, mineral storage, and blood cell production. |
| What is the difference between axial and appendicular skeleton? | Axial = skull, spine, rib cage; Appendicular = arms, legs, pelvis, shoulders. |
| What is keratin and where is it found? | A protein that strengthens skin, hair, and nails. |