In which of the following vertebrate group/groups, heart does not pump oxygenated blood to different parts of the body?

(b) Hippocampus, Exocoetus, Anabas

Warm-blooded animals such as birds and mammals maintain a constant body temperature by cooling themselves when they are in a hotter environment and by warming their bodies when they are...

No. This information is not sufficient to determine which of the traits − blood group A or O − is dominant. This is because we do not know about the...

(a) Each piece regenerates into a new Planaria. (b) Its filaments break into smaller pieces or fragments and each fragment gives rise to a new filament. (c) It releases spores which germinate into...

(i) The blood from the heart is transported to all parts of the body by the arteries. (ii) Haemoglobin is present in red blood cells. (iii) Arteries and veins are joined by...

Heart is partitioned into four chambers

(i) (a); (ii) (d); (iii) (f); (iv) (b); (v) (e); (vi) (c)

Saree, dhoti, lungi, turban, dupatta, towel, etc.

(d) : The centre of mass of bodies B and C taken together does not shift as no external force is applied horizontally.