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Nathaniel McKinney
Human Anatomy 1-5
| Question | Answer |
|---|---|
| What are the three types of muscle tissue? | Skeletal, cardiac, smooth. |
| Describe what happens at the neuromuscular junction. | A motor neuron releases acetylcholine (ACh), which binds to receptors on the muscle fiber’s |
| What are the primary organs of the integumentary system? | Skin, hair, nails (and associated glands). |
| What are the two main layers of skin, and which is deeper? | Epidermis (outer) and dermis (inner). The dermis is deeper |
| List the layers of the epidermis, from deepest to most superficial. | Stratum basale → stratum spinosum → stratum granulosum → (stratum lucidum, in thick skin) → stratum corneum. |
| : What is the most dangerous type of skin cancer? Why? | Melanoma, because it is most likely to metastasize (spread to other organs). |
| What is a keloid? In what tissue type is it most likely to form? | A keloid is an overgrowth of scar tissue (excessive collagen) and is most likely to form in connective tissue (dermal connective tissue). |
| Define a mucous membrane and give one location. | A mucous membrane lines internal cavities open to the outside (e.g. lining of the digestive tract). |
| Name the four principal tissue types in the body. | Epithelial, connective, muscle, nervous. |
| Which type of tissue has the greatest capacity for regeneration? | Epithelial tissue. |