Kelvin's cow is showing signs of poor health. The cow is staying away from the herd and not alert in its environment. The veterinarian believes that the cow is affected by some type of infection. He also states that the lack of white blood cells in the cow is making it less resistant to the
infection. Which system of Kelvin's cow is not functioning properly?
ОА
muscular system
OB
endocrine system
Ос.
nervous system
OD
circulatory system

i think its control and coordinate because im pretty sure thats what tissue does and the joints are what control movement and then your skeletal/ bones provides portection. hope that .

it takes hundreds of years to become stable.

if you have another question lmk.

many other transport proteins, often called pumps, move materials against a concentration gradient. active transport drives molecules across a membrane from a region of lower concentration to a region of higher concentration. this process, shown in figure 5.1, uses transport proteins powered by chemi- cal energy.