Transportation in Animals and Plants Class 7 Science (Biology) in One-Shot | CBSE Class 7 Exams 2023
BYJU'S - Class 6, 7 & 8・2 minutes read
The class focuses on transportation in plants and animals, covering the digestive system, cellular respiration, circulatory system, and blood components. The text delves into the role of red blood cells, white blood cells, platelets, pulse rate measurement, heart structure and function, excretion, and transportation in plants through xylem and phloem.
Insights
- Cells in the body undergo cellular respiration to release energy from glucose, which is crucial for the body's functioning.
- The circulatory system, composed of blood, blood vessels, and the heart, transports oxygen, nutrients, hormones, and waste, with different components like red blood cells, white blood cells, and platelets playing distinct roles in maintaining bodily functions.
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Recent questions
What is the main function of red blood cells?
Transport oxygen due to hemoglobin.
How does the circulatory system transport nutrients?
Through blood vessels like arteries, veins, and capillaries.
What is the role of white blood cells in the immune system?
Protect against harmful microorganisms.
How does the human heart function?
Through rhythmic contraction and relaxation.
What is the purpose of the excretory system in the human body?
Remove nitrogenous metabolic waste to prevent toxicity.
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