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BioT2Notes
biology
| #1 Questions | #1 Answers | #2 Questions | #2 Answers |
|---|---|---|---|
| How much of your body mass is muscle? | 40 percent | ||
| How many muscles are there in all? | 600 | ||
| How many muscles are there in your face? | 30 | ||
| Which is the largest muscle? | Gluteus maximus | ||
| What are the three types of muscle tissue? | Smooth, cardiac, skeletal | ||
| Where is smooth muscle found? | Digestive tract | ||
| What are the two types of fibers in muscle? | Myosin, actin | ||
| Myosin has what kind of filaments? | Thick | ||
| What happens when muscles contract? | Actin filaments slide over the myosin filaments | ||
| What connects muscles to bones? | Tendons | ||
| (blank) | (blank) | What is cancer? | The breakdown of control of cell growth |
| (blank) | (blank) | What is a tumor? | A mass of growing tissue |
| (blank) | (blank) | What is a benign tumor? | A non-cancerous growth that does not spread to other areas of the body |
| (blank) | (blank) | What is a malignant tumor? | A tumor that grows AND spreads |
| (blank) | (blank) | What is metatasis? | The spread of tumors beyond the original site |
| (blank) | (blank) | What are four ways cancer can be treated? | Chemotheraphy, radiation, bone marrow transplants, surgery |
| (blank) | (blank) | What is the basic unit of the nervous system? | Neurons |
| (blank) | (blank) | What to dendrites do? | Carry impulses |
| (blank) | (blank) | What is an axon? | A long fiber in a neuron |
| (blank) | (blank) | What is a myelin sheath? | An insulating membrane in a neuron |
| (blank) | (blank) | What is cancer? | The breakdown of control of cell growth |
| What are axon terminals? | Swellings at the end of axons | (blank) | (blank) |