HUMAN BODY AND NUTRITION

1. RESPIRATORY SYSTEM

1.1. FUNCTION: Collect oxygen from the air and send out the Carbon dioxyde.

1.2. PARTS: Nostrils, pharynx, larynx, wind pipe, bronchi, bronchioli, alveoli, lungs, diaphragm

1.3. Interchange of gases in the Alveoli-circulatory system.

2. CIRCULATORY SYSTEM

2.1. FUNCTION: -Carry nutrients and oxygen to the body and collect wate materials.

2.2. PARTS: HEART. Pumps the blood to the organs and body.

2.3. BLOOD VESSELS:

2.3.1. ARTERIES: From heart to organs

2.3.2. VEINS: From organs to the heart

3. DIGESTIVE SYSTEM

3.1. PARTS: mouth, pharynx, larynx, esophagus, stomach, panchreas, liver, small intestine, large intestine, anus.

3.2. FUNCTION: Absorb the nutrients our body needs.

3.3. Nutrients: Absorbed in the small intestine. Large intestine aborbs water.

3.4. Nutrients: Carbohydrates, fats, proteins, vitamines, water and mineral salts.