I think it’s T lymphocytes?
It says: T lymphocytes attack antigens directly and help control the immune response. They also release chemicals, which control the entire immune system....
Cardiac output, peripheral resistance, hormonal changes coming from glands, blood volume & blood viscosity
Answer:
the emperor penguin can hold their breath for 20 minutes
Explanation:
The type of soil that has the least amount of space between the particles is clay.
