Answer:

Explanation:
Let's think about this from a human perspective (humans are multicellular organisms).
Humans inhale oxygen to use in cellular respiration. Carbon dioxide is the waste product of the process and it is exhaled.
Humans consume proteins and make proteins in protein synthesis. They are used for all sorts of things such as: hormones, repairing tissues, catalysts, providing structure, and more.
So, clearly, the substance that is let out is<u> carbon dioxide</u>. It is exhaled as waste when we breathe, but proteins are used inside the body.
The name of the vessels branching into smaller extension would be venuoles. This branch from the veins and are link into the capillaries. It is a small blood vessel draining deoxygenated blood from the capillary beds and carry it to the veins which then back to one's heart.
Based on what i’ve read an learned doing school.
3,4,5,9,8
Well when teens fight they may be going through some things in their life. We can't just place a reason for them, but one that makes sense for this is A. The cannot control their anger.
For this one you have to use pressure and a cloth : A. <span>Wrap the detached tissue in cloth.
For this one it is involved in the </span><span>cardiovascular system aka the circulatory system.B. hypertension is your answer. It is high blood pressure.
This one is obvious. It is D. stores that sell tobacco to minors.
I'm not sure about this last one I'm sorry.
Hoped I helped!</span>
Answer:Physical fitness.
Explanation:
Physical fitness is the condition of the body that enables an individuals to use his or her body in activities requiring strength, muscular endurance, cardiovascular endurance, flexibility, coordination, ability, power, balance, speed, and accuracy, without undue experience.
Physical fitness ensures Genuine health or wellness. Genuine health or wellness is not just the absence of disease or infirmity, it is a state of positive well-being. It includes the physical, mental, spiritual, and scio-emotional dimensions of life.