Simple Present Tense
In these sentences words like everyday, often, seldom, never, every month, generally, usually, etc. may be used.
1. Fill in the blanks with the correct form of the verb in brackets.
In these sentences words like everyday, often, seldom, never, every month, generally, usually, etc. may be used.
1. Fill in the blanks with the correct form of the verb in brackets.
(i) The heart is a pump that ___(send) the blood circulating through our body. The pumping action ___(take place) when the left ventricle of the heart ___(contract). This ___(force) the blood out into the arteries, which ___(expand) to receive the oncoming blood

Explanation

The heart is a pump thats ends the blood circulating through our body. The pumping action takes place when the left ventricle of the heart contracts. This forces the blood out into the arteries, which expands to receive the on coming blood.