Answer:
The ventricles of the heart have thicker muscular walls than the atria. This is because blood is pumped out of the heart at greater pressure from these chambers compared to the atria. ... This is due to the higher forces needed to pump blood through the systemic circuit (around the body) compared to the pulmonary circuit.
Explanation:
The Human Heart — PT Direct
Possesses the characteristic of compartmentalization of organelles,wherein the organelles are bound by membranes
Answer:
A is the correct answer.
Explanation:
Because Adaption means to the process by which a species becomes fitted to its environment. So A is the closest.
Answer:
Answer is bile
Cholecystokinin is secreted by cells of the upper small intestine. Its secretion is stimulated by the introduction of hydrochloric acid, amino acids, or fatty acids into the stomach or duodenum. Cholecystokinin stimulates the gallbladder to contract and release stored bile into the intestine.
The answer would be B. The author was worried he/she might not enjoy camp.
He/She wasn't impatient because it said she "dreaded" it so that rules out A.
He/She wasn't welcoming the opportunity, because again, the word "dreaded" was used.
He/She wasn't excited because "dreaded" does not imply excitement.
