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Animal/Plant Tissues
| Question | Answer |
|---|---|
| What are the 2 types of Epithelial tissue | Skin Epithelia - flat cells that act as a semi permeable inside and outside the body Columnar Epithelia: column cells that aligns stomach and glands which has cilia which secretes mucus or absorbs materials |
| 4 types of tissue | Epithelial tissue, Connective Tissue, Muscle Tissue and Nerve Tissue |
| What are the 3 types of muscle | Skeletal Muscle: Muscle attached to the bone that has voluntary movement Smooth Muscle: Muscle that makes up organs and blood vessels Cardiac Muscle: Muscle that is in the heart that causes it to pump (Involuntary) |
| 4 types of connective tissue | Bones, Blood, tendons and ligaments |
| What is regeneration | the ability to regrow a severed body part, ex: salamnder can regrow severed limbs, human can regrow fingertips and liver |
| what is specialization/differentiation cells | cells becoming a specific type of cell |
| What are stem cells | unspecialized cells that can become any type of normal cells |
| What are the 2 type of stem cells | Adult Stem cells: found in bone marrow, skin, heart and Brain Embryonic Stem Cells: found in fertilized egg in the process of becoming an embryo |
| What is unipotent? | : Stem cells from a certain organ that has the ability to become one type of specialized cell |
| What is totipotent | Stem cells from an embryo that has the ability to become any specialized cell |
| What is pluripotent | Stem cells from a blastocyst that hast the ability to become most specialized cells |
| What is a blastocyst | A slightly developed embryo but before the fetus stage |
| What are the plant organs | Roots , Stem and Leaves |
| What does a root do | Roots : -anchors plant to the ground -collects water from the soil -stores food made by the plant from photosynthesis -contains meristematic tissue at the root caps/tips that allow roots to grow in the ground |
| What does a stem do | -Supports structure of plant - transports food, water and nutrients to and from the leaves (xylem and phloem) |
| What do the leaves do | site of photosynthesis and transpiration |
| what is the xylem and phloem | xylem: transports water and minerals from roots to leaves Phloem: transports food from leaves to roots |
| what are palisade cells | contains chloroplasts where photosynthesis occurs |
| What are guard cells | cells on the leaf that open up that allows for gases O2 Co2 and H2O to move in and out of the leaf |
| 5 plant tissues | Meristematic, Palisade, Ground, Vascular and Epidermal |
| Meristematic Tissue | unspecialized cells that can form any other type of cells (stem cells) - grows new parts of a plant |
| Epidermal Tissue | -secretes a waxy cuticle which protects and limits evaporation through the leaf 0 contains guard cells that allow for the exchange of gases such as co2 o2 and h20 |
| Ground Tissue | - contains mesophyll tissues which fill spaces of the plant and is where gases are exchanged |
| Vascular Tissue | - vascular bundles: xylem-cells that grow and forms tubes that eventually die that transports water and minerals to leaves from roots - phloem cells dont die but forms tubes that transports sugar from the leaves to roots |
| Palisade Tissues | consists of special cells underneath the epidermal tissues called palisade cells that make up chloroplasts which is responsible for photosynthesis |
Created by:
Hajeet