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प्रश्न
The endocrine glands produce chemical substances called ____
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उत्तर
The endocrine glands produce chemical substances called hormones.
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संबंधित प्रश्न
Give technical terms for The protective covering of the heart
Give reason for the following:
Atrial wall is less muscular than the ventricular wall.
Fill in the blanks with suitable words given below:
The ______ artery takes the blood from the ventricles to the lungs.
Fill in the blank:
In human body, heart is located on the _____ side of the chest cavity.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Leucocytes show amoeboid movement.
Explain the main parts of the circulatory system.
Label the diagram given below to show the four main parts of the urinary system and answer the following questions.

- Which organ removes extra salts and water from the blood?
- Where is the urine stored?
- What is the tube through which urine is excreted out of the body?
- What are the tubes that transfer urine from the kidneys to the urinary bladder called?
What is the location of maturation of T-lymphocytes?
Spleen is referred to as ______.
Granulocytes are also known as ____________.
