Which blood vessels have the smallest diameter?
Capillaries have the smallest diameter, allowing exchange of gases and nutrients at the tissue level.
Ref: NCERT Class 11 Biology Chapter 15: Body Fluids and Circulation ECG and Blood Vessels
#capillaries
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Which type of blood vessel is responsible for exchange of gases and nutrients?
Capillaries are thin-walled blood vessels that allow the exchange of gases, nutrients, and waste between blood and tissues.
Ref: NCERT Class 11 Biology Chapter 15: Body Fluids and Circulation ECG and Blood Vessels
Which type of blood vessel is responsible for exchange of gases and nutrients?
Capillaries are thin-walled blood vessels that allow the exchange of gases, nutrients, and waste between blood and tissues.
Ref: NCERT Class 11 Biology Chapter 15: Body Fluids and Circulation ECG and Blood Vessels
Which of the following is incorrect about capillaries?
Capillaries have thin, single-layered walls to facilitate exchange of gases, nutrients, and waste.
Ref: NCERT Class 11 Biology Chapter 15: Body Fluids and Circulation ECG and Blood Vessels
Which of the following is incorrect about capillaries?
Capillaries have thin, single-layered walls to facilitate exchange of gases, nutrients, and waste.
Ref: NCERT Class 11 Biology Chapter 15: Body Fluids and Circulation ECG and Blood Vessels
Which type of blood vessel has the thickest muscular walls?
Arteries have thick muscular walls to withstand high blood pressure from the heart.
Ref: NCERT Class 11 Biology Chapter 15: Body Fluids and Circulation ECG and Blood Vessels