is a sheet of internal skeletal muscle[] that extends across the bottom of the rib cage. The diaphragm separates the thoracic cavity (heart, lungs & ribs) from the abdominal cavity.
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Answer:
Q6 c
Q 8 b
no
Explanation:Effective preschool classrooms are places where children feel well cared for and safe. ... Young children need teachers who take time to work with them ... She makes sure that the bookcases contain a variety of books
Answer:
Last option, they help keep dirt and debris out of the ear canal.
Explanation:
Answer:
3rd option
Explanation:
Diseases would spread. people would not become more susceptible so the answer is the 3rd option
The heart consists of four chambers in which blood flows. Blood enters the right atrium and passes through the right ventricle. The right ventricle pumps the blood to the lungs where it becomes oxygenated. The oxygenated blood is brought back to the heart by the pulmonary veins which enter the left atrium. From the left atrium blood flows into the left ventricle
