A cell wall is missing in archbacteria and euacteria
Answer:
I guess A
bcz heart attack is different from cardiac arrest
Explanation:
A heart attack is when blood flow to the heart is blocked, and sudden cardiac arrest is when the heart malfunctions and suddenly stops beating unexpectedly.
Minor Malfunction: If the Excretory doesn't do it job, waste will begin to pile up in the body, ultimately leading to death.Improvement: If the respiratory cold take in more air, more blood would be transported to the brain. Which will make almost all senses feel sharper and will understand things more clearly.
Science is required in the study of human development because research provides facts and data which will make people enabling to live their lives fully.
There are certain other reasons which make it important to study human development scientifically like the understanding of human development throughout their lifespan, makes a better understanding of the children or the off springs and the way to deal with them. The study of human development usually follows a predictable pattern so it makes a better understanding and enables to take better decisions at certain point of time.