a, because exercise doesn't just aid the prevention of certain diseases, it helps prevent many diseases. i would've chosen d if it wasn't so specific but a is the correct answer.
Persistence
even though he’s injured , he still continues to train
The statements regarding the circulation of blood are as follows:
- Pulmonary circulation begins at the left atrium and ends at the right ventricle. (False)
- The systemic arteries begin as branches of the aorta. (True)
- The amount of blood that circulates through an organ increases as the organ becomes more metabolically active. (True)
- Systemic circulation begins at the left ventricle and ends at the right atrium. (True)
- The two caval veins drain blood from the body, except for the head. (False)
- Blood flows slows in capillaries but speeds up in veins. (True)
- Hepatic portal circulation enables the liver to store or modify substances in the blood coming from the digestive organs and spleen. (False)
- Blood in veins is kept moving by external forces as well as constriction of the veins themselves. (False)
<h3>
What is Blood circulation?</h3>
Blood circulation may be defined as the physiological transportation methodology of arterial and/or venous blood through the vascular system and the heart chambers.
Therefore, each of the statements about blood circulation either true or false is described above.
To learn more about Blood circulation, refer to the link:
brainly.com/question/988627
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C 95% is eliminated through the liver
Answer:
Explanation:
1. A need is something needed to survive while a want is something that people desire to have, that they may, or may not, be able to obtain.
2. Support; love and caring for other family members; providing security and a sense of belonging; open communication; making each person within the family feel important, valued, respected and esteemed.
Sorry if it’s wrong, but hope it helps