Question

answer the question
1.How is a screw helpful?
2what is liver?what are tge three things in a liver?
3.what is the difference between first and second class levers?

Answer 1

$\{Answer-:}$

$\bold{1. How\:is\: a\: screw\:helpful?}$

Ans-:

The screw an object that can attach 2 things together and hold them securely.

The screw is also a concept used in augers which move many substances from one location to another.

$\bold{2. What\:is\:liver? What\: are the\:3 \:things\: in\: a\: liver?}$

Answer-: The liver is an accessory digestive gland that produces bile, an alkaline compound which helps the breakdown of fat. Bile aids in digestion via the emulsification of lipids.

Liver does many jobs, but here are three big ones.

• It cleans our blood.

• It produces an important digestive liquid called bile.

• It stores energy in the form of a sugar called glycogen.