Blood transports substances like digested food from the small intestine to the other parts of the body. It carries oxygen from the lungs to the cells of the body. It also transports waste for removal from the body. So, it acts as a carrier of various substances. Every part of the body needs certainRead more
Blood transports substances like digested food from the small intestine to the other parts of the body. It carries oxygen from the lungs to the cells of the body. It also transports waste for removal from the body. So, it acts as a carrier of various substances. Every part of the body needs certain substances to perform its functions. Additionally, every part creates some waste products for removal. Blood is needed by all parts of the body so that various substances can be supplied to them and waste can be removed from them.
Blood is a liquid, which has cells of various kinds suspended in it. Main components of blood are: • Plasma: The fluid part of the blood is called plasma. • RBC: One type of cells are the red blood cells (RBC) which contain a red pigment called haemoglobin. • WBC: The blood also has white blood cellRead more
Blood is a liquid, which has cells of various kinds suspended in it. Main components of blood are:
• Plasma: The fluid part of the blood is called plasma.
• RBC: One type of cells are the red blood cells (RBC) which contain a red pigment called haemoglobin.
• WBC: The blood also has white blood cells (WBC) which fight against germs that may enter our body.
• Platelets: The clotting of blood is caused by another type of cells in the blood, called platelets.
Transpiration serves very important function in plants. Transpiration creates the transpiration pull, which is responsible for the rise of water to great heights in tall plants and other trees. https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-11/
Transpiration serves very important function in plants. Transpiration creates the transpiration pull, which is responsible for the rise of water to great heights in tall plants and other trees.
The numerous pores under the surface of leaf are called stomata. Transpiration and exchange of gases (carbon dioxide and oxygen) are the main functions of stomata. https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-11/
The numerous pores under the surface of leaf are called stomata. Transpiration and exchange of gases (carbon dioxide and oxygen) are the main functions of stomata.
Platelets are responsible for clotting of blood. If there are no platelets, the blood would not clot in case of an injury. This will lead to excess blood loss and finally in death of the person. https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-11/
Platelets are responsible for clotting of blood. If there are no platelets, the blood would not clot in case of an injury. This will lead to excess blood loss and finally in death of the person.
Why is blood needed by all the parts of a body?
Blood transports substances like digested food from the small intestine to the other parts of the body. It carries oxygen from the lungs to the cells of the body. It also transports waste for removal from the body. So, it acts as a carrier of various substances. Every part of the body needs certainRead more
Blood transports substances like digested food from the small intestine to the other parts of the body. It carries oxygen from the lungs to the cells of the body. It also transports waste for removal from the body. So, it acts as a carrier of various substances. Every part of the body needs certain substances to perform its functions. Additionally, every part creates some waste products for removal. Blood is needed by all parts of the body so that various substances can be supplied to them and waste can be removed from them.
https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-11/
See lessWhat are the components of blood?
Blood is a liquid, which has cells of various kinds suspended in it. Main components of blood are: • Plasma: The fluid part of the blood is called plasma. • RBC: One type of cells are the red blood cells (RBC) which contain a red pigment called haemoglobin. • WBC: The blood also has white blood cellRead more
Blood is a liquid, which has cells of various kinds suspended in it. Main components of blood are:
• Plasma: The fluid part of the blood is called plasma.
• RBC: One type of cells are the red blood cells (RBC) which contain a red pigment called haemoglobin.
• WBC: The blood also has white blood cells (WBC) which fight against germs that may enter our body.
• Platelets: The clotting of blood is caused by another type of cells in the blood, called platelets.
https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-11/
See lessDoes transpiration serve any useful function in the plants? Explain.
Transpiration serves very important function in plants. Transpiration creates the transpiration pull, which is responsible for the rise of water to great heights in tall plants and other trees. https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-11/
Transpiration serves very important function in plants. Transpiration creates the transpiration pull, which is responsible for the rise of water to great heights in tall plants and other trees.
https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-11/
See lessWhat are stomata? Give two functions of stomata.
The numerous pores under the surface of leaf are called stomata. Transpiration and exchange of gases (carbon dioxide and oxygen) are the main functions of stomata. https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-11/
The numerous pores under the surface of leaf are called stomata. Transpiration and exchange of gases (carbon dioxide and oxygen) are the main functions of stomata.
https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-11/
See lessWhat will happen if there are no platelets in the blood?
Platelets are responsible for clotting of blood. If there are no platelets, the blood would not clot in case of an injury. This will lead to excess blood loss and finally in death of the person. https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-11/
Platelets are responsible for clotting of blood. If there are no platelets, the blood would not clot in case of an injury. This will lead to excess blood loss and finally in death of the person.
https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-11/
See less