What does a virus do once it invades a host cell? A begins multiplying
B) releases toxins
C begins making proteins
Dall of the above

Urgent. the table shows the relative blood flow through some organs in the human body that is, the percentage of blood that flows through a given organ, through which organ(s) does all the blood flow? explain the effect of exercise on blood flow to skeletal muscles.

How many chromosomes does each human cell contain? a. 23 chromosomes b. 26 chromosomes c. 43 chromosomes d. 46 chromosomes

Which organ controls breathing? lungs alveoli heart diaphragm