Which of the following structures present in mammalian skin directly helps in keeping the body warm?
A. Pigmented cells
B. Sweat glands
C. Lymph vessels
D. Blood capillaries
Answer: Option D
Related Questions on Animal Kindom
Fusion of two gametes dissimilar in size, as in species of Eudorina is termed as
A. anisogamous
B. oogamous
C. zoogamous
D. isogamous

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