Briefly describe the different types of skeleton

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Reference no: EM133059

QUESTION 1

(a) Describe the functions of phagocytes, B lymphocytes and T lymphocytes and how they interact during an immune response

(b) Differentiate between innate, active and passive immunity using relevant examples in each case

(c) HIV/AIDS is a deadly disease that slowly and steadily destroys the immune system. Elaborate

(i) how the disease destroys the immune system,

(ii) on the modes of transmission of the disease, and

(iii) on measures that could be taken to prevent its spread amongst humans

QUESTION 2

(a) With the help of a labelled diagram, explain how the skin achieves control of the body temperature when there is temperature variation

(b) The sensory system has a specific organ dedicated to each sense. List the human senses and elaborate on their importance for the human body

(c) Elaborate on the major differences between prokaryotic and eukaryotic cells

QUESTION 3

(a) Differentiate between a vein and an artery

(b) Describe the cardiac cycle

(c) Describe the myogenic stimulation of the heart rate

QUESTION 4

(a) Briefly describe the different types of skeleton

(b) Describe the sliding filament theory of muscle contraction

(c) Explain the role of calcium in muscle contraction

Reference no: EM133059

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