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Mention the exact location of the Pulmonary semilunar valve
Draw the structure of a human heart and label its parts.
MULTIPLE CHOICE TYPE:
(Select the most appropriate option)
The valve present between the right atrium and the right ventricle is the
(a) tricuspid valve
(b) bicuspid valve
(c) semi-lunar valve
(d) mitral valve
Given below is a certain structure, write its chief functional activity.
Bone marrow - ______.
The valve which prevents back flow of blood in the veins and lymph vessels ______.
Give reason, why a matured mammalian erythrocyte lacks nucleus and mitochondria?
Match the items given in Column A with the most appropriate ones in Column B and REWRITE the correct matching pairs :
Column A Column B
(i) Cranial nerves Testosterone
(ii) Leydig cells Natural reflex
(iii) Acetylcholine 12 pairs
(iv) Spinal nerves Prolactin
(v) Sneezing Neurotransmitter
- 18 pairs
- 31 pairs
- Conditioned reflex
Find the odd one out, giving reason.
______ WBCs are present per mm3 of blood.
The nodal tissue located in the lower left corner of right atrium is ______.
