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

When air is blown from the mouth into a test-tube containing lime water,the lime water turns milky due to the presence of:

The volume of glomerular filtrate produced is $180 \, L$ per day,but the volume of urine excreted is just $1-2 \, L$. Give a suitable reason for this statement.

Mention the major events during photosynthesis.

$(a)$ Draw a diagram of the human alimentary canal and label the following: Oesophagus,Gall bladder,Liver,and Pancreas.
$(b)$ Explain the statement: 'Bile does not contain any enzyme but it is essential for digestion.'

$(a)$ Name the following:
$(i)$ Organ which stores bile
$(ii)$ Organ which produces bile
$(b)$ Name one enzyme present in pancreatic juice and give its functions.
$(c)$ What are peristaltic movements?