Answer:
Connective tissue
Explanation:
Connective tissue is designed to regulate temperature, secrete lubricants, and protect the body form harmful substances.
Physical Fitness
Explanation:
Physical fitness is a state of health and well-being and, more particularly, the capability to do features of sports, professions and daily exercises. Physical fitness is usually accomplished through proper nourishment, moderate-vigorous physical activity, and adequate rest.
Answer:
20.9 percent
Around 78% of the air is nitrogen gas, and only 20.9% is oxygen.
Explanation:
20.9 percent
Around 78% of the air is nitrogen gas, and only 20.9% is oxygen.
Hope this helps.
