A trait is a characteristic of someone so the answer would be
<span>D.
Matt had been naturally right-handed since birth. In high school, he
decided to start throwing left-handed after reading that there was a
shortage of left-handed pitchers in the major leagues. Matt is now
left-handed.</span>
Answer: A, through extensive testing and the accumulation of several lines of evidence
Explanation:
Well, on average 2/3 of a persons weight is water.
Answer;
Insulin and the growth hormone
The hormones that are involved in building and maintaining healthy bone tissues are Insulin and growth hormone
Explanation;
Insulin has some anabolic properties for bone. It is uncertain whether insulin stimulates bone directly or indirectly by increasing muscle work and thus skeletal loading.
Growth hormone is a peptide hormone secreted from the pituitary gland under the control of hypothalamus. It directly and through IGF-I stimulates osteoblast proliferation and activity, promoting bone formation. Additionally it stimulates osteoclast differentiation and activity,promoting bone resorption.
Respiratory system helps in breathing and it leads to exhalation of the gas carbon dioxide which is not required by the body. The integumentary system is the first line of defense and protects the body from invadig microbes, dust, and other harmful substances. The digestive system protects the body by enabling digestio of food and providing energy to sustain, further the toxic waste materials are also released during the process.
