Q.
Go through the blood vascular system of earthworm given in the following diagram -

A
B
C
D
E
(a)
Dorsal vessel
Lateral hearts
Lateral-oesopharyngeal heart
Ventral vessel
Anterior loop
(b)
Ventral vessel
Lateral hearts
Lateral-oesopharyngeal heart
Dorsal vessel
Anterior loop
(c)
Dorsal vessel
Lateral Hearts
Anterior loop
Ventral vessel
Lateral-oesopharyngeal heart
(d)
Ventral vessel
Lateral vessel
Anterior loop
Dorsal Vessel
Lateral-oesopharyngeal heart
A | B | C | D | E | |
---|---|---|---|---|---|
(a) | Dorsal vessel | Lateral hearts | Lateral-oesopharyngeal heart | Ventral vessel | Anterior loop |
(b) | Ventral vessel | Lateral hearts | Lateral-oesopharyngeal heart | Dorsal vessel | Anterior loop |
(c) | Dorsal vessel | Lateral Hearts | Anterior loop | Ventral vessel | Lateral-oesopharyngeal heart |
(d) | Ventral vessel | Lateral vessel | Anterior loop | Dorsal Vessel | Lateral-oesopharyngeal heart |
Structural Organisation in Animals
Solution: