Answer:
The many roles of blood include delivering nutrients and oxygen to cells, Homeostatic is the ability of a system or living organism to adjust its internal environment to maintain a stable equilibrium. It relaxes the blood vessels and capillaries which may help with gas exchange.
Explanation:
The question asked to fill in the gap with the right words .
Generally, the short essay talks about the function of the blood in the body.
Homeostasis is the tendency of the body to maintain a stable condition within the limit it can survive. Homeostasis is a self regulating property of the cell, tissues and organisms that allows the maintenance and regulation of the body to function properly. Usually the organism adjust it internal environment to maintain a stable equilibrium.
Blood is usually pumped from the right side of the heart to the blood vessel of the lungs .When blood enters the pulmonary capillaries , new oxygen enters the blood and carbon-dioxide is removed. This process is what is called gas exchange.
Answer: it's because they need to provide a lot of energy.
Explanation: fat cells have many mitochondria because they store a lot of energy. Muscle cells have many mitochondria, which allows them to respond quickly to the need for doing work.
D. uranus. It is the furthest planet away so it will take longer!
If this is the appropriate answer make sure to mark as the brainliest!
-procklown
Ethics in science involves making (or rather abandoning) decisions which go against one's morals - so if scientists don't feel comfortable doing something because they feel it is wrong, it means there is ethics involved. Here are some of the issues where ethics is present:
1. animal testing - whether or not products should be tested on animals first
2. stem cell research - has to do with research on human embryos