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Flashcards - Science - Unit 2.4 - Yonis Abdi
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- 1What is the meaning of a specialized cell?Cells in multicellular organisms that are modified to carry out a particular function, such as transporting a certain substance or executing a specific task.
- 2What is a tissue?Any of the distinct types of material of which animals or plants are made, consisting of specialized cells and their products.
- 3What is an organ?A part of an organism which is typically self-contained and has a specific vital function.
- 4What is an organ system?A group of organs that work together to perform one or more functions.
- 5What are the four types of tissues?Epithelial, connective, muscular, and nerve tissue.
- 6What does the epithelial tissue do?The epithelial tissue lines the cavities and surfaces of blood vessels and organs throughout the body.
- 7What does the connective tissue do?Forms tendons and ligaments, which attaches muscle to bone and bone to bone.
- 8What does the muscle tissue do?Provides posture and body support, locomotion and heat production.
- 9What does the nerve tissue do?Sends electrical signals all around the body.
- 10What are the three types of muscle tissues?The three types of muscle tissues are skeletal, cardiac and smooth muscles.
- 11What is the skeletal muscle?A muscle which is connected to the skeleton to form part of the mechanical system which moves the limbs and other parts of the body.
- 12What is the cardiac muscle?An involuntary, striated muscle that is found in the walls of the heart.
- 13What is the smooth muscle?Muscle tissue in which the contractile fibrils are not highly ordered, occurring in the gut and other internal organs and not under voluntary control.
- 14What is an involuntary muscle?A muscle that contracts without conscious control.
- 15What is a voluntary muscle?A muscle whose action is normally controlled by an individual's will.
- 16What is the largest organ of your body?The skin.
- 17What does the skin consist of?Tissues such as fat, dermis, epidermis, blood and blood vessels.
- 18Name all the systems in the human body.The respiratory system, the skeletal system, the nervous system and the reproductive system.
- 19What is the vascular tissue?A complex conducting tissue, formed of more than one cell type, found in vascular plants.
- 20What is the purpose of the xylem and what is the purpose of the phloem?The purpose of the xylem: Transports water and nutrients from the plant.
The purpose of the phloem: Transports food from the leaves to the rest of the plant.
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- Descripción
- Grade 8 Science Fichas sobre Flashcards - Science - Unit 2.4 - Yonis Abdi, creado por Yonis Abdi el 11/02/2017.
- Creado por
- Yonis Abdi · feb 2017
- Actualizado
- 13 feb 2017
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