EXERCISE
1. What do you know about human body?
2. In which two categories can a human body be divided to
understand or knowledge it?
3. How many bones are there in a human body?
4. What are the main organs of blood-circulation system?
(5. What do you know about sensory system?
6. What is the importance of exceretory system in human
body?
7. What are the main functions of human body?
question the answers
Answers
1.Human body, the physical substance of the human organism, composed of living cells and extracellular materials and organized into tissues, organs, and systems.
2. Don't know
3.Every single person has a skeleton made up of many bones. These bones give your body structure, let you move in many ways, protect your internal organs, and more. It's time to look at all your bones — the adult human body has 206 of them!
4.The circulatory system is composed of the heart and blood vessels, including arteries, veins, and capillaries.
5.A sensory system consists of sensory neurons (including the sensory receptor cells), neural pathways, and parts of the brain involved in sensory perception. Commonly recognized sensory systems are those for vision, hearing, touch, taste, smell, and balance.
6.The excretory system is important because it helps the body eliminate metabolic waste, maintain a balance of salt and water, and control blood.
7.Reproductive ,Urinary ,Digestive ,Lymphatic,Cardiovascular