Which system takes in food and breaks it down into nutrients?

Biology

2 answers:

Sergeu [11.5K]4 years ago

8 0

The Digestive System

Allisa [31]4 years ago

8 0

Answer:

Digestive System

Explanation:

The digestion process begins in the mouth, where food is reduced to smaller particles by chewing and the action of salivary enzymes.

In the stomach, food particles are further reduced due to the action of hydrochloric acid (HCl) and protein-breaking enzymes.

After that, the food goes to the small intestine, where it acts the bile (from the liver) that reduces the fat particles, as well as enzymes that finish the breakdown of proteins and carbohydrates. The <u>nutrients</u> are then absorbed and transported to the bloodstream.

Finally, the rest of the food reaches the large intestine, which absorbs water and forms the feces that will be excreted.

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You have a 16N sack of potatoes that you need to lift onto the kitchen counter. You set up a pulley system with a mechanical adv

natali 33 [55]

A force of 8 N will be required.

<h3><u>Explanation:</u></h3>

Mechanical advantage is defined as the ratio of output force from a system to the input force into the system. A machine which has the mechanical advantage more than 1 means it requires less force to give more force as output. Similarly, when the mechanical advantage for the machine is less than 1,it means more force is required to give to achieve a less one.

Here in the question, the mechanical advantage of the pulley is 2.

Output force required to pull the sack of potatoes upto kitchen is 16N.

Mechanical advantage = Output force / input force.

Or, 2= 16 / input force.

So input force = $16 / 2 =8.$