Term
| Where does human fertilization usually take place (within the female body)? |
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Definition
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Term
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Definition
| The merging of the sperm nuclei with the egg nuclei, forms one cell with a complete set of chromosomes (DNA) |
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Term
| What cell process occurs during cleavage? |
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Definition
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Term
| How many cells is the zygote made of? |
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Definition
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Term
| Which occurs first the blastocyst or the zygote? |
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Definition
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Term
| Which develops first the blastocyst or the trophoblast? |
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Definition
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Term
| Approximately how many days after fertilization does implantation occur? |
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Definition
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Term
| How is an embryo defined? |
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Definition
| the developing zygote prior 9 weeks |
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Term
| What is produced during gastrulation? |
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Definition
| 3 germ layers: ectoderm, endoderm, mesoderm |
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Term
| Name the three germ layers from inside out: |
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Definition
| endoderm, mesoderm, ectoderm |
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Term
| What systems develop from the ectoderm? |
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Definition
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Term
| What systems develop from the Endoderm? |
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Definition
| Digestive, Excretory, Endocrine, Respiratory |
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Term
| What systems develop from the Mesoderm? |
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Definition
| Circulatory, Skeletal, Muscular, Reproductive, Lymphatic, Immune |
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Term
| What is the basic unit of structure and function in the human body? |
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Definition
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Term
| What are the four major types of tissue in the human body? |
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Definition
| nervous, muscular, connective, epithelial |
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Term
| What are the three types of muscle tissues? |
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Definition
| skeletal, cardiac, smooth |
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Term
| Where is smooth muscle found? |
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Definition
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Term
| Where is skeletal muscle found? |
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Definition
| attached to skeleton to provide movement |
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Term
| Where is cardiac muscle found? |
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Definition
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Term
| How are cardiac and smooth muscle similar? |
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Definition
| they are both involuntary |
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Term
| Where is epithelial tissue located? |
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Definition
| Skin and organ coverings, mucous membranes |
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Term
| Where is nervous tissue found? |
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Definition
| Brain, spinal cord, and nerves |
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Term
| Define or explain homeostatis: |
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Definition
| The body's process of regulating the internal environment so that conditions are the best for cells. |
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Term
| Name three things the body regulates through homeostasis: |
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Definition
body temp
water in tissues
pH
Oxygen/ Carbon Dioxide Content in blood |
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Term
| Name three functions of the integumentary system: |
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Definition
1. Create barrier between internal and external environments.
2. Protect against pathogens and infection
3. Skin is slightly acidic to ward off fungi
4. Prevent dehydrations
5. Store water and fat
6. Production of Vitamin D
7. Recieve sensory signals
8. Absorption of materials
9. Protection agains UV light
10. Excrete waste products through sweat |
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Term
| What is the protein called that gives skin its color? |
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Definition
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Term
| What is the protein that forms nails and hair? |
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Definition
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Term
| What are the two layers of the integumentary system? |
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Definition
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Term
| Which layer is on the outside of the skin? |
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Definition
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Term
| Which layer of the skin has most of the sensory receptors, fat, and connective tissue? |
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Definition
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Term
| What type of cells make up the epidermis? |
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Definition
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