UNIT 1: BODY SYSTEMS

Page 12;

Taste bud; papilas gustativas

Page 13;

ulna; cúbito

skull; cráneo

limbs; extremidades

joints; articulaciones

Questions;

1: The skull protects the brain, eyes, eardrum, pituitary gland and the spinal cord

2: The main difference between voluntary and involuntary muscles  is how each group of muscles moves.

Involuntary muscles can't be controlled whereas voluntary muscles can be controlled.

Page 15;

ovum cell; óvulo

pregnancy; embarazo

to last, durar

seed; semilla

bean; haba

Page 16;

Explain experiment

1; straws represent the trachea

    balloons represent the lungs

    plastic bag represent diaphragm