Which of the following is made up of a single bone in mammals?
Dentary
Hyoid
Upper jaw
All of these
If frog's brain is crushed, even then its leg moves on pinpointing. It is called
simple reflex
conditional reflex
neurotransmitter function
autonomic nerve condition
Gemmule formation in sponges are useful in
asexual reproduction
sexual reproduction
parthenogenesis
parthenocarpy
Brunner's glands are present in
duodenum
oesophagus
ileum
stomach
A.
duodenum
Brunner's gland is found in submucosa of duodenum. It secrete an alkaline fluid composed of mucin, which exerts a physiologic anti-acid function by coating the duodenal epithelium, therefore protecting it from the acid chyme of the stomach.
Systemic heart refers to
entire heart in lower vertebrates
the two ventricles together in humans
the heart that contracts under stimulation from nervous system
left auricle and left ventricle in higher vertebrates