D. type a mother and type b father because they don’t have blood type o from their parent
Answer:
monosaccharide
Explanation:
Trust me I looked it up and found 6 out of 6 sites saying this.
Answer;
-Atrial contraction;
Explanation:
-The cardiac cycle comprises all of the physiological events associated with a single heartbeat, including electrical events, mechanical events (pressures and volumes), and heart sounds.The atria and ventricles alternately contract in each cardiac cycle. The pressures in the chambers change greatly over the course of the cardiac cycle.
-During atrial contraction, blood flows from atria (high pressure) to ventricles (low pressure). Similarly, this same pressure gradient exists during ventricular filling.
They might lessen the symptoms
Answer:
A
EXPLANATION:
None
