Answer: A is not true.
Explanation: b,c, d are all true
Lack of oxygen can affect the blood and cardiovascular system, to be put simply.
Answer:
the conditions and variables that influence emotional, intellectual, social, and physical development from conception to maturity. Examples include parental attitudes and stimulation, peer relationships, learning experiences, recreational activities, and hereditary predispositions
Explanation:
hope this helps
A. Body Composition, heredity cannot affect the other two so I'd eliminate them