Tissues And Specialised Cells
Bayani Gaba-gaba
No single cell can beat like a heart, carry oxygen, or think. Those jobs need thousands of similar cells working together as a tissue, and organs such as the heart or brain are themselves built from several different tissues layered and combined for a shared purpose.
In this lesson you will learn how bone, muscle, blood, nervous tissue and epithelium each look under a light microscope and how their structure suits their job, then examine how the egg and sperm, the two most specialised cells in the human body, are each built for a single event: fertilisation.
Manufura
- Understand that cells are grouped into tissues and that tissues are organised into organs
- Describe the structure of bone, muscle (voluntary, involuntary and cardiac, as observed under a light microscope), blood, nervous tissue and epithelium (squamous and ciliated, with reference to cells lining the cheek and trachea)
- Describe the structure of cells specialised for reproduction, e.g. egg (ovum) and sperm and relate their structure to function
Takardar Darasi
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Nazarin Darasi
Barka da kammala darasi akan Tissues And Specialised Cells. Yanzu da kuka bincika mahimman raayoyi da raayoyi, lokaci yayi da zaku gwada ilimin ku. Wannan sashe yana ba da ayyuka iri-iri Tambayoyin da aka tsara don ƙarfafa fahimtar ku da kuma taimaka muku auna fahimtar ku game da kayan.
Za ka gamu da haɗe-haɗen nau'ikan tambayoyi, ciki har da tambayoyin zaɓi da yawa, tambayoyin gajeren amsa, da tambayoyin rubutu. Kowace tambaya an ƙirƙira ta da kyau don auna fannoni daban-daban na iliminka da ƙwarewar tunani mai zurfi.
Yi wannan ɓangaren na kimantawa a matsayin wata dama don ƙarfafa fahimtarka kan batun kuma don gano duk wani yanki da kake buƙatar ƙarin karatu. Kada ka yanke ƙauna da duk wani ƙalubale da ka fuskanta; maimakon haka, ka kallesu a matsayin damar haɓaka da ingantawa.
- Which muscle type shows branched fibres joined by intercalated discs? A) Voluntary muscle B) Involuntary muscle C) Cardiac muscle D) Smooth muscle Answer: C
- Which type of epithelium lines the trachea? A) Squamous epithelium B) Ciliated epithelium C) Cardiac tissue D) Compact bone Answer: B
- What is the main function of a lymphocyte? A) Engulfing bacteria by phagocytosis B) Producing antibodies C) Carrying oxygen D) Clotting blood Answer: B
- Which structure at the tip of a sperm cell contains enzymes that digest a path into the egg? A) Flagellum B) Midpiece C) Acrosome D) Nucleus Answer: C
- A tissue is best described as: A) A single specialised cell B) A group of similar cells working together for a shared function C) Two or more different organs working together D) A structure made only of nervous tissue Answer: B
Akwai a cikin manhajar Green Bridge
Zazzage manhajar Green Bridge CBT a wayar ka ko kwamfyuta ka don samun cikakkiyar bayanan darasi, tambayoyin aiki, da ƙari.
Akwai a cikin manhajar Green Bridge
Zazzage manhajar Green Bridge CBT a wayar ka ko kwamfyuta ka don samun cikakkiyar bayanan darasi, tambayoyin aiki, da ƙari.
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