The Human Circulatory System Label the parts of the heart The Pulmonary Circuit Show how the blood flows in the pulmonary circuit starting from the right atrium. Right atrium ___> ____________________ > ___________________>________________________etc. The Systemic circuit Show how the blood flows in the systemic circuit starting from the left atrium Left atrium >_________________ >__________________________>____________________ etc.
Plant Structure and Growth
Roots anchor, the plant, ingest minerals and water, direct water and supplements, and store food. These are two kinds of root frameworks.
Plant Life Cycle
Plants are part of the PLANT KINGDOM, which is one of the five kingdoms of life. Plants are divided into smaller classes based on common characteristics. Certain characteristics are shared by all plants. They are made up of a large number of cells. They also make their own food through a chemical process called photosynthesis, which involves the use of water, carbon dioxide, and solar energy. They pump life-giving oxygen into the air as a by-product.
Life Cycle of Plants
All the organisms that belong to the Kingdom Plantae are known as plants. They are multicellular and eukaryotic and can synthesize their food by photosynthesis, known as autotrophic organisms. They are classified based on certain characteristics, such as the plants bear flowers; some have only naked seeds and do not contain flowers. Some plants neither have seeds nor flowers, such as ferns and mosses.
Plant Morphology and Anatomy
The study of life and organisms is biology. The cell is recognized as the basic unit of life by biology. From ancient Greek, biology is recognized. Modern biology deals with the recent developments in Science.
The Human Circulatory System
- Label the parts of the heart
- The Pulmonary Circuit
Show how the blood flows in the pulmonary circuit starting from the right atrium.
Right atrium ___> ____________________ > ___________________>________________________etc.
- The Systemic circuit
Show how the blood flows in the systemic circuit starting from the left atrium
Left atrium >_________________ >__________________________>____________________ etc.
Worksheet B5d 1
The respiratory system
You are going to use models, charts, a short video and page 26 of the student book to learn about the respiratory system.
- Use the following words to label the diagram below.
- air sac bronchiole bronchus diaphragm intercostal muscles
- lung pleural membrane rib trachea
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- List the parts of the respiratory system that:
- a molecule of oxygen passes through before entering the blood, starting with the trachea
Trachea à _____________________________________________________________
- a molecule of carbon dioxide passes through after leaving the blood, starting with an air sac
Air sac à ______________________________________________________________
Worksheet B5d 2 Continued
The action of the diaphragm and intercostal muscles
The diagram below shows inhalation and exhalation.
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Complete the following sentences to explain how we breathe in.
- The intercostal muscles between the _______________
- This moves the ribs _______________ and _______________.
- At the same time, the diaphragm muscle _______________ and moves _______________.
- The volume of air inside the chest _______________.
This decreases the pressure inside the chest. The air pressure outside the chest is higher so air enters the lungs.
Complete the following sentences to explain how we breathe out.
- The intercostal muscles _______________.
- The ribs are moved _______________ and _______________.
- At the same time, the diaphragm muscle _______________ and moves _______________.
- The volume of air inside the chest __________________.
This increases the pressure inside the chest. The air pressure outside the chest is now lower so air leaves the lungs.
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