obtaining energy and removing waste

The amount of energy a person needs depends on several factors , Such as

• weight ,age , activity level and gender.

• gender

• age

• Hight

where does the energy comes from ?

• calories

• nutrients

• large intestine

• small intestine

what is nutrients?

• the parts of food used by the body to grow and survive.

• Nutrients like protein build muscles while calcium helps strengthen bones.

• the mechanical and chemical break down of food into small particles and molecules that your body can absorb and use .

types of digestion

• mechanical and chemical

• large intestine and small intestine

The esophagus is

• is a muscular tube that connects the mouth to the stomach.

• a chemical digestion.

• a mechanical digestion

protiens

• build muscles

• helps strengthen bones

calcium

• build muscles

• gives energy

• helps strengthen bones