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What is the initial velocity of an automobile 5.0m/s² and a displacement of 114m
Which international safety standards does South Africa use?
Which international food safety standards does South Africa use
Discuss the food safety concerns around street vended food?
a. Pulmonary arteries
b. Pulmonary veins
c. Aorta
d. Left atrium
e. Left ventricle
a. A more muscular wall is required to supply the pumping that powers the flow
of blood into the pulmonary circuit.
b. A more muscular wall is required to supply the pumping that powers the flow
of blood into the systemic circuit.
c. The position of the heart in the chest cavity allows for the left ventricle to
develop a thicker wall than the right ventricle
d. The left ventricle is responsible for systole, while the right ventricle is
responsible for diastole.
e. The left ventricle contains the pacemaker.
3. Which of these animals has a double circulatory system?
a. Fish
b. Frog
c. Dog
d. Sea squirt
e. Hagfish
3.2.2. White blood cells play a particularly important role in …
a. Carrying oxygen
b. Blood clotting
c. Haemoglobin transport
d. Carrying carbon dioxide
e. Fighting infections
3.2.1. A two-cycle circulatory system has an advantage over a one-cycle system in that …
a. Blood can be directed to target tissue more specifically
b. The arterial part of the systemic system is at high pressure
c. The arterial part of the pulmonary system is at high pressure
d. The direction of blood flow can be reversed
e. Oxygen can be delivered directly to the tissue from the tracheal system
Type –one cells (typified by those in the Sino atrial node); Type-two cells (typified by those in the ventricular endocardium); Type –three cells (typified by those that comprise the bulk of the heart)
#339914 on Dec 2023