Answer:
Explanation:
From the capillaries, blood passes into venules, then into veins to return to the heart. Arteries and arterioles have relatively thick muscular walls because blood pressure in them is high and because they must adjust their diameter to maintain blood pressure and to control blood flow.
The correct answer should be gymnastics. While the other mentioned sports could help him too, gymnastics is the most comprehensive one because it involves almost every muscle in the body to do various exercises, whereas biking would increase his leg muscle fitness most, but would not do much for the rest of his body.
Answer:
The scrotum protects sperm by keeping the testes slightly below the normal temperature.
Explanation:
Answer:
These include excellent vitality, healthier immune systems and increased resistance to disease. Indeed, holistic or complementary medicine can prevent many diseases from developing, or if they do healing will often be faster due to the enhanced immune system of the animal or person.
Fainting is a common symptom of heat stroke. The reason this happens to many people is the lack of fatigue. The best remedy is to keep yourself hydrated and have proper rest.
I hope it helps, Regards.
