Answer: Capillaries
Explanation: Blood vessels have the same basic structures used to circulate blood of different composition to and away from the heart to the body. Blood vessels are arteries, veins and capillaries. Arteries carry oxygenated blood from the heart to the body and veins carry deoxygenated blood from the tissues to the heart.
Capillaries are the ones that work with body cells for exchange.They collect nutrients and oxygen from the blood to the cell and also collect carbon dioxide and waste from the cell to the blood which is transported to the vein where it travels via the venous system and goes through the heart, then to the lungs for gaseous exchange.
Therefore the enswer is, capillaries.
It’s b because they don’t use numbers but they are descriptive using adjectives
Answer:
A guy with a harpoon
Explanation:
most likely the guy with a harpoon would win because they would be above the shark instead of at eyelevel. if the person were to be above the shark they would be able to see where to throw it better and the shark wouldn't be able to see the person as well.
Answer:
An example of zymogen is pepsinogen. Pepsinogen is the precursor of pepsin. Pepsinogen is inactive until it is released by chief cells into HCl. The latter partially activates pepsinogen. Pepsinogen will be fully converted into pepsin when an inhibiting peptide unit is removed.
Explanation:
hope helpzz~~ -,-
The three phases of the human ovarian cycle are:
<span><span>1. </span>Follicular phase</span>
This is a phase controlled by estradiol, during which follicles in the ovary mature.
<span><span>2. </span>Ovulation</span>
This is a phase in which eggs are released from the ovaries when the follicles rupture.
<span><span>3. </span>Luteal phase</span>
<span>This is the phase is under the control of progesterone. At the beginning of luteal phase, corpus luteum is formed and it ends in either pregnancy or luteolysis.</span>
