Where in the respiratory tract does the exchange of oxygen and carbon dioxide take place?
A. Larynx
B. Bronchi
C. Trachea
D. Alveoli
Select your answer:
Topics:
Fad Diets Immune System Erythrocyte Disorders Dimensions of Wellness Nervous / Sensory System Types of Reproduction Digestive System (Gastroenterology) Innate Immunity Nucleic Acids Nail Enhancement Cardiovascular System Anatomy Nervous System and Special Senses Molecular Genetics Integrated Science Genetics and Probability A&P MusculoskeletalOther quiz:
Brain and Nervous System › ViewWhich of the following statements is correct?
A. The brain at birth weighs about 2 kilograms, has four protective features and is small in size in proportion to our body.
B. The brain has deep wrinkles, sends thousands of messages a second and has 6 lobes.
C. he brain has 4 lobes, a left and right hemisphere and an adult human brain weighs about 1.5 kilograms.
D. The brain has a protective layer called the meninges, it is smooth and all messages are sent through the occipital lobe.
Digestion › View
Which one of these is true about minerals?
A. we need them in large amounts
B. we don’t need them at all
C. we only need some of them
D. we need them in small amounts