Download B1_revision_crossword answers

B1 revision crossword answers
Four - How many chambers does a heart have?
Deoxygenated - Blood which does not contain oxygen is called ________.
Hormones - Messages can be sent through the body using chemicals called
______.
Pupil - Which part of the eye lets in light?
Retina - Which part of the eye contains light receptive cells?
Depressant - Alcohol is a d_________.
Performance enhancers - Steroids are placed in which drug category?
Testis - Which organ produces testosterone?
Myelin sheath - The axon of a neurone is surrounded by a ____ ____
Oxygen - Used in aerobic respiration.
Lactic acid - Produced during anaerobic respiration. (6, 4)
Healthy - If you are free from disease, you are _____.
Antibodies - White blood cells release these to fight disease.
Fungus - Athletes’ foot is caused by this type of micro-organism.
Brain - When a reflex arc is used, the body responds without using this.
Recessive - This type of gene will only be expressed if no dominant genes
are present.
Inherited - Features passed down from our parents are called ____
characteristics.
Mechanical - Type of digestion caused by teeth/ stomach movements.
Enzymes - Chemicals which help break down food.
Homeostasis - Keeping internal environments stable.
Dilate - When we are hot, blood vessels near the skin d_____.
Carbohydrates - Food group which includes sugar and starch.
Oesophagus - Scientific word for food pipe.
Proteases - Enzymes which break down proteins
Fibre - Needed in the diet to help keep you ‘regular’.
Nose - Organ which detects smell.
Environmental - A sun tan is an example of an _____ characteristic.
Lungs - Where oxygen enters your blood stream.
Alveoli - Air sacs in the lungs.
Water - Product of aerobic respiration.