D- it does not improve speed to agility
1. Seminiferous tubules
2. Scrotum
3. Blood (2 words ??)
While you didn't provide any following sources, healthy sources of energy for humans are usually considered to be different types of fruits and vegetables, lean meats, wholewheat grains, nuts, seeds, and healthy oils. All these constitute a healthy human diet and are a healthy source of energy.
The Answer is A.The biceps muscle contracts while the triceps muscle relaxes. Only then can the forearm move up to lift the mug.
Take responsibility for your decisions and/or actions
