2. (a)
Copy and complete the table below.
Mode of
transmission
Effect
Disease
Gonorrhoea
Herpes
Chlamydia
(6)
Explain how the human body cools itself after a vigorous activity.

Disease-

Gonorrhoea - The mode of transmission is Sexual Intercourse- The effect include infertility and inflammation problems.

Herpes- The mode of transmission is Sexual contact or oral transmission - The effect is reduction of immune system, sores etc.

Chlamydia- The mode of transmission is Sexual contact - The effect is infertility if left untreated, urethral infection and inflammatory diseases

The human body cools itself after a vigorous activity by dilating the skin pores which excretes water. The water then dries up and bring about a cooling sensation to the body.

during longer space exploration trips, crewmembers may develop vision impairment risks and short-term cardiac atrophy or a decrease in the size, strength, weight, and activity of the heart during space flight because they can experience microgravity. in addition, the long-term medical condition is loss of bone mineral density and radiation exposure.