Oxygen is an electronic which can be defined as pure substance..we breath in oxygen and breath out carbon dioxide
Answer:
The brain is the body's “control center.”
Explanation:
Answer:
a. infectious mononucleosis
Explanation:
Infectious mononucleosis also known as glandular fever is caused by Epstein-Barr Virus (EBV) which is classified as a type of herpes virus.
Plicae, villi and microvilli increase the surface area for he absorption of nutrients
Answer:The body uses carbohydrates (glycogen) for medium-term energy storage and lipids (fats or triglycerides) for long-term energy storage. Carbohydrates store about 16 kJ/g, while fats store about 39 kJ/g. Gram for gram, triglycerides store more than twice as much energy as glycogen.
Explanation: