Answer:
The heart consists of four chambers, two atria (upper chambers) and two ventricles (lower chambers). There is a valve through which blood passes before leaving each chamber of the heart. ... They act as one-way inlets of blood on one side of a ventricle and one-way outlets of blood on the other side of a ventricle.
Explanation:
Answer:
The answer is C: primary oocyte
Explanation:
Ovogenesis is the process by which the ovary gives rise to a mature ovum (oocyte). The primary oocyte is the first to form during ovogonia, once the process of meiosis begins. It is compared with spermatogonium as it is also the initial phase for sperm formation.
Answer: Sometimes your doctor may give you a course of antibiotics during your chemotherapy to help fight off an infection or stop you getting one.
Explanation:
Answer:
d.
Explanation:
Girls who muture late are often bullied for their bodies. This leads to them having self-esteem issues.
