E. all of the above
would be the appropriate answer
Answer:cardiovascular systems
Explanation: hope this helps yall
The skin performs six primary functions which include, protection, absorption, excretion, secretion, regulation and sensation.
Protection. The skin functions as our first line of defense against toxins, radiation and harmful pollutants.
Absorption.
Excretion.
Secretion.
Regulation.
Sensation.
Answer:
DEVELOPMENTAL NORMS. Developmental norms are defined as standards by which the progress of a child's development can be measured. For example, the average age at which a child walks, learns to talk, or reaches puberty would be such a standard and would be used to judge whether the child is progressing normally.
Explanation:
The answer is Mitosis.
The zygote divides through a process called mitosis, in which each cell doubles by dividing into two cells.
