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Which of the following crosses the placental barrier?

Bone composition changes over the life span, becoming more inorganic in composition and therefore more brittle in older adulthood.

Which of the following is a characteristic of proficient sidearm striking? Select all that apply.

Posture can affect the reaching behavior observed in infants.

In infancy, childhood, and adolescence, adipose tissue growth is by both hyperplasia and hypertrophy.

By age 6, children can methodically explore objects with their hands, sight unseen.

In overarm striking, the upper arm (humerus) lags behind the trunk, but the racket precedes the forearm at ball contact.

The ______________ system exerts its control over specific cellular functions through chemical substances called hormones.

Pure dominance (i.e., having the eye, ear, hand, and foot on the same side of the body as dominant) is necessary for proper neurological organization.

Parents, teachers, coaches, and therapists should manipulate ___________ constraints to help children or novice adults subconsciously identify important information that facilitates performance. Select all that apply.