{"id":2735,"date":"2021-01-21T16:13:31","date_gmt":"2021-01-21T16:13:31","guid":{"rendered":"https:\/\/themindpalace.in\/?p=2735"},"modified":"2021-08-26T06:51:00","modified_gmt":"2021-08-26T06:51:00","slug":"our-body-a-wonderful-machine","status":"publish","type":"post","link":"https:\/\/themindpalace.in\/index.php\/2021\/01\/21\/our-body-a-wonderful-machine\/","title":{"rendered":"OUR BODY – A WONDERFUL MACHINE"},"content":{"rendered":"\n

Summary of our body -a wonderful machine.<\/a><\/p>\n\n\n\n

Solved exercise of our body a wonderful machine.<\/a><\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Summary<\/h1>\n\n\n\n

There are many organs inside our body. we can see the muscles and bones of our body which are covered by the skin.The skin protects our body. Bones and muscles together give shape and structure to our body.There are differences between the shape and structure of your body.<\/p>\n\n\n\n

The important functions of our body such as respiration,digestion, blood circulation and excretion keep our body strong and healthy.<\/p>\n\n\n\n

Respiration<\/span><\/strong><\/p>\n\n\n\n

\"\"<\/figure><\/div>\n\n\n\n

The process of taking in oxygen and giving out carbon dioxide is called respiration.<\/p>\n\n\n\n

Our body needs oxygen that is in the air. When we breathe, the lungs absorb the oxygen from the air. The carbon dioxide which is not needed to our body goes outwith the air through the wind pipe and the nose.<\/p>\n\n\n\n

Healthy habits for proper respiration<\/span><\/strong><\/p>\n\n\n\n

1.Blood circulation:<\/span><\/strong><\/p>\n\n\n\n

\"\"<\/figure><\/div>\n\n\n\n

Blood circulates in all parts of the body. The main organ of the body which pumps blood to all parts of the body is called the heart.The heart is located between the lungs, slightly towards the left. It is protected by the chest cavity.Heart pumps blood to all parts of the body through blood vessels.It gets impure by receiving carbon dioxide from all parts of the
body. This impure blood enters the heart through blood vessels.From the heart, this impure blood reaches the lungs. In the lungs, it gives up carbon dioxide and receives oxygen and becomes pure. The pure blood reaches the heart once again through the blood vessels.<\/p>\n\n\n\n

The pure blood which has oxygen reaches all parts of the body through blood
vessels. This is blood circulation.<\/strong><\/p>\n\n\n\n

\"\"<\/figure><\/div>\n\n\n\n

The instrument used by doctors to know the heartbeat is stethoscope.<\/p>\n\n\n\n

How many times does a heart beat in a minute<\/strong>?<\/p>\n\n\n\n

The heart beats 60 to 100 beats<\/strong> per minute<\/strong>.<\/p>\n\n\n\n

For proper blood circulation in your body, eat vegetables and fruits regularly. Do exercises daily.<\/p>\n\n\n\n

2.Digestion<\/span><\/strong><\/p>\n\n\n\n

\"\"<\/figure><\/div>\n\n\n\n

The process by which the food gets digested and reaches the blood is called digestion.The chewed food reaches the stomach through the food pipe.Food in the stomach gets digested to some extent. It remains here for about three to four hours.Then this food reaches the small intestine and gets digested further. The digested food reaches blood through small intestine and reaches all parts of the body.The undigested food reaches large intestine and moves out of the body through anus in the form of faeces.<\/p>\n\n\n\n

3.Excretion<\/span><\/strong><\/p>\n\n\n\n

\"\"<\/figure><\/div>\n\n\n\n

Excretion<\/strong> is a process in which metabolic waste is eliminated from an organism. In vertebrates this is primarily carried out by the lungs, kidneys and skin. This is in contrast with secretion, where the substance may have specific tasks after leaving the cell.<\/p>\n\n\n\n

Exercise<\/h1>\n\n\n\n

Answer the following questions.<\/span><\/strong><\/p>\n\n\n\n


1.Which organ is responsible for the removal of carbon dioxide from the body?<\/p>\n\n\n\n

Ans: <\/span><\/strong>Lungs is responsible for the removal of carbon di oxide from the body.<\/p>\n\n\n\n

2.Which organ removes impurities from the body in the form of sweat?<\/p>\n\n\n\n

Ans:<\/span><\/strong>Skin removes impurities from the body in the form of sweat.<\/p>\n\n\n\n

3.Which organ removes impurities from the body in the form of liquid?<\/p>\n\n\n\n

Ans:<\/span><\/strong>Kedney removes impurities from the body in the form of liquid.<\/p>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

The important functions of our body such as respiration,digestion, blood circulation and excretion keep our body strong and healthy.<\/p>\n","protected":false},"author":3,"featured_media":2739,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[113,475,28],"tags":[324],"class_list":["post-2735","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-4th-class-ncert-syllabus","category-posts-in-english","category-science","tag-4th-std-ncert-evs-our-body-wonderful-machine"],"cp_meta_data":{"_jetpack_related_posts_cache":["a:1:{s:32:\"8f6677c9d6b0f903e98ad32ec61f8deb\";a:2:{s:7:\"expires\";i:1782709041;s:7:\"payload\";a:3:{i:0;a:1:{s:2:\"id\";i:2210;}i:1;a:1:{s:2:\"id\";i:584;}i:2;a:1:{s:2:\"id\";i:1096;}}}}"],"_edit_lock":["1629960661:2"],"_last_editor_used_jetpack":["block-editor"],"_thumbnail_id":["2739"],"_edit_last":["2"]},"jetpack_featured_media_url":"https:\/\/themindpalace.in\/wp-content\/uploads\/2021\/01\/Slide1-12.jpg","jetpack-related-posts":[{"id":2210,"url":"https:\/\/themindpalace.in\/index.php\/2020\/12\/09\/body-movements\/","url_meta":{"origin":2735,"position":0},"title":"Body Movements","author":"Nancy Diana","date":"December 9, 2020","format":false,"excerpt":"Summary of body movement Solved exercise of body movements Human body movementspic Our body is capable of performing a wide variety of simple and complex functions. It is able to do so because of the internal structure that facilitates its movement. 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