<span>Nervous System - Nucleus - control (responding to certain neurotransmitters by allowing transcription factors to be formed)
Respiratory System - Plasma Membrane (alveoli allow certain particles into the cells but want to keep contaminants out)
Reproductive System - Nucleus - DNA (determines in part the genome and developmental process of the offspring)
Digestive System - Mitochondria (want full redox reaction to occur in the organelle based on nutrients extracted from food)
Integumentary System - Cytoskeleton (for support as well as in the construction of the basal lamina)
Musculoskeletal System - Endomembrane System (think about the sarcoplasmic reticulum and the effect of increased surface area when calcium is released)
Circulatory System - Passive Transport (through capillaries especially)</span>
Answer:
1. Abstain, Be faithful, or, as a last resort, use a Condom. Within a few years, Uganda had developed what researchers call a "social vaccine" against HIV: cultural norms about sexual responsibility, preached in clinics and public schools, as well as churches and mosques.
3.When used correctly every time you have sex, condoms are the best way to prevent sexually transmitted infections such as HIV. They have a very low failure rate and are effective for all forms of sex.
Answer:
7. stream
8. runoff
9. stalagmite
10. gully
11. karst landscape
12. stalactite
13. rills
14. groundwater
15. flood plain
Explanation:
i fond all those on a quizlet about water erosion
Answer:
Early in gestation, a fetus has a cartilaginous skeleton that becomes bone in ... At birth, a newborn baby has over 300 bones, while on average an adult human has 206 bones ... It is composed of fibers and granular cells in a matrix. ... The hypertrophic chondrocytes (before apoptosis) secrete vascular endothelial cell growth ...
Explanation
n:When does the fetal cartilage turn to bone?
Key milestones in fetal bone development
Weeks pregnant Milestone
7 weeks Bone outlines for entire skeleton established; cartilage is forming
8 weeks Somites disappear; joints start forming
10 weeks Bone tissue forms and starts hardening (ossification)
16 weeks Your baby can move his limbs
A frog's heart is Dark-red in colour
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