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Michael Bachmann
Michael Bachmann Anatomy Week 1-6
| Question | Answer |
|---|---|
| What is the smallest structural and functional unit of life? | The cell - it performs all basic life functions such as metabolism, growth, and reproduction. |
| What are the four main types of tissue in the human body? | Epithelial, connective, muscle, and nervous tissue. |
| What are the three main layers of the skin and where are they located? | The epidermis (outer layer), dermis (middle layer), and hypodermis (deepest layer made of fat and connective tissue). |
| What type of cells make up most of the epidermis? | Keratinocytes - which produce keratin to strengthen and waterproof the skin. |
| What are the five layers of the epidermis, from deepest to most superficial? | Stratum basale, stratum spinosum, stratum granulosum, stratum lucidum, and stratum corneum. |
| What are the two main layers of the dermis? | The papillary layer (contains capillaries and nerve endings) and the reticular layer (deeper, thicker layer with collagen and elastic fibers) |
| What are the major functions of the skeletal system? | Support, protection, movement, mineral storage, and blood cell production in the bone marrow. |
| What are the two main divisions of the skeleton? | The axial skeleton (skull, vertebral column, and rib cage) and the appendicular skeleton (limbs). |
| What is the structural unit of compact bone called? | The osteon - made up of concentric rings called lamellae surrounding a central canal. |
| What are long bones, and where are they found? | Long bones are longer than they are wide and support movement (the femur, tibia, humerus, and radius) |