Chapter 3

Question 1

Describe the organization of life?

Answer 1

Atoms>Molecules>Cells>Tissues>Organs>Organ Systems(11)

Hormones allow tissues to work.

Question 2

Main purpose of Digestive System?

Answer 2

Break down of nutrients (Digestion) + Absorbing them via blood/lymphatic system (Absorption)

Question 3

What can be absorbed without being broken down?

Answer 3

Sugars, Amino Acids, Fatty Acids

Question 4

What must be broken down before it can be absorbed?

Answer 4

Polysaccharides, Proteins, Lipids

Question 5

What is the order of organs food goes down?

Answer 5

Mouth>Pharynx>Epiglottis>Esophagus>Cardiac Sphincter>Stomach>Pyloric Sphincter> Duodenum>Jejunum> Ileum>Ascending Colon>Transverse Colon>Descending Colon>Rectum>Anus

Question 6

Two types of movement in Digestion?

Answer 6

Peristalsis(Esophagus) + Segmentation

Question 7

Three layers of smooth muscle in the stomach?

Answer 7

Longitudinal, Horizontal, Diagonal