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Jennifer Maokosy
Anatomy weeks 1-5
| Question | Answer |
|---|---|
| Which body cavity contains the heart and lungs? | Thoracic Cavity |
| In anatomical position, where are the feet located relative to the head? | Inferior |
| What is the "powerhouse" of the cell, responsible for ATP production? | Mitochondrion |
| What is the primary function of the plasma membrane? | To control what enters and leaves the cell. |
| Which muscle tissue type is voluntary and attached to bones? | Skeletal muscle tissue |
| What are the mature bone cells that maintain the bone matrix? | Osteocytes |
| How many cervical vertebrae are typically found in the human spine? | Seven, C1-C7 |
| What is the breastbone called? | Sternum |
| Which is the longest and strongest bone in the human body, located in the thigh? | Femur |
| What is the basic contractile unit of a muscle fiber? | Sarcomere |
| Which protein forms the thick filaments in a muscle sarcomere? | Myosin |
| Which protein forms the thin filaments in a muscle sarcomere? | Actin |
| What ion is essential for initiating muscle contraction by binding to troponin? | Calcium, Ca++ |
| What is the term for the electrical signal that travels down an axon? | Action potential, Nerve Impulse |
| Relatively constant states maintained by the body | Homeostasis |
| Gel-like internal substance within a living cell (watery with organelles making it gel-like) | Cytoplasm |
| Membranous organelle consisting of separate tiny sacs, located near the nucleus. | Golgi apparatus |
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jenniferm0591
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